./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro --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 bd1eaa5077cd232f6fbaab58f819127b846ba827580b40a5669189681e7353d0 --- 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-8393723 [2022-11-18 20:48:07,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:07,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:07,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:07,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:07,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:07,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:07,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:07,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:07,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:07,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:07,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:07,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:07,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:07,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:07,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:07,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:07,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:07,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:07,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:07,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:07,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:07,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:07,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:07,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:07,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:07,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:07,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:07,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:07,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:07,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:07,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:07,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:07,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:07,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:07,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:07,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:07,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:07,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:07,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:07,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:07,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:48:07,215 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:07,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:07,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:07,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:07,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:48:07,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:48:07,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:07,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:07,219 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:07,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:07,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:48:07,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:07,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:07,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:48:07,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:48:07,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:48:07,223 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:48:07,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:07,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:07,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:48:07,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:07,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:07,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:48:07,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:07,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:07,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:48:07,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:48:07,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:07,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:48:07,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:48:07,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:48:07,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:48:07,228 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_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1eaa5077cd232f6fbaab58f819127b846ba827580b40a5669189681e7353d0 [2022-11-18 20:48:07,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:07,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:07,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:07,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:07,560 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:07,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_12_good.i [2022-11-18 20:48:07,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/data/5472d038a/4c5707995ae6499981f79c9a96242926/FLAGfc97c0f9d [2022-11-18 20:48:08,496 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:08,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_12_good.i [2022-11-18 20:48:08,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/data/5472d038a/4c5707995ae6499981f79c9a96242926/FLAGfc97c0f9d [2022-11-18 20:48:08,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/data/5472d038a/4c5707995ae6499981f79c9a96242926 [2022-11-18 20:48:08,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:08,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:08,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:08,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:08,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:08,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:08" (1/1) ... [2022-11-18 20:48:08,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7a4f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:08, skipping insertion in model container [2022-11-18 20:48:08,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:08" (1/1) ... [2022-11-18 20:48:08,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:08,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:09,196 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:48:09,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:09,846 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:09,865 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:48:09,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:10,050 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:10,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10 WrapperNode [2022-11-18 20:48:10,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:10,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:10,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:10,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:10,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,161 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-11-18 20:48:10,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:10,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:10,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:10,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:10,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:10,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:10,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:10,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:10,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (1/1) ... [2022-11-18 20:48:10,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:10,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:10,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:10,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:48:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:48:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-18 20:48:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-18 20:48:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-18 20:48:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:48:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:48:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:48:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:48:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:48:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:48:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:48:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:48:10,594 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:10,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:10,889 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:10,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:10,896 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:48:10,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:10 BoogieIcfgContainer [2022-11-18 20:48:10,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:10,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:48:10,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:48:10,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:48:10,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:48:08" (1/3) ... [2022-11-18 20:48:10,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b2aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:10, skipping insertion in model container [2022-11-18 20:48:10,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:10" (2/3) ... [2022-11-18 20:48:10,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b2aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:10, skipping insertion in model container [2022-11-18 20:48:10,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:10" (3/3) ... [2022-11-18 20:48:10,928 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_12_good.i [2022-11-18 20:48:10,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:48:10,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:48:11,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:48:11,024 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;@2542db76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:48:11,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:48:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 52 states have internal predecessors, (55), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-18 20:48:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:48:11,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:11,037 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:11,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash 229916058, now seen corresponding path program 1 times [2022-11-18 20:48:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:11,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272873000] [2022-11-18 20:48:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:48:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:48:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:48:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:11,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272873000] [2022-11-18 20:48:11,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272873000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:11,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:11,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126152068] [2022-11-18 20:48:11,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:11,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:11,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:11,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:11,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:11,518 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 52 states have internal predecessors, (55), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:11,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:11,605 INFO L93 Difference]: Finished difference Result 107 states and 136 transitions. [2022-11-18 20:48:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:11,616 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-18 20:48:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:11,629 INFO L225 Difference]: With dead ends: 107 [2022-11-18 20:48:11,630 INFO L226 Difference]: Without dead ends: 60 [2022-11-18 20:48:11,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:11,644 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:11,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 143 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:11,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-18 20:48:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-18 20:48:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 20:48:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2022-11-18 20:48:11,696 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2022-11-18 20:48:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:11,698 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2022-11-18 20:48:11,698 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-11-18 20:48:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:48:11,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:11,701 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:11,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:48:11,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:11,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1462536698, now seen corresponding path program 1 times [2022-11-18 20:48:11,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:11,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228182853] [2022-11-18 20:48:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:11,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:48:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:48:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:48:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:11,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228182853] [2022-11-18 20:48:11,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228182853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:11,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:11,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:11,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236210856] [2022-11-18 20:48:11,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:11,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:11,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:11,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:11,886 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:48:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:11,942 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2022-11-18 20:48:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-11-18 20:48:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:11,949 INFO L225 Difference]: With dead ends: 60 [2022-11-18 20:48:11,949 INFO L226 Difference]: Without dead ends: 58 [2022-11-18 20:48:11,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:11,950 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:11,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 80 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:11,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-18 20:48:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-18 20:48:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 45 states have internal predecessors, (51), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 20:48:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-18 20:48:11,965 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 25 [2022-11-18 20:48:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:11,966 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-18 20:48:11,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:48:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-18 20:48:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 20:48:11,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:11,969 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:11,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:48:11,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:11,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash 542029647, now seen corresponding path program 1 times [2022-11-18 20:48:11,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:11,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036537760] [2022-11-18 20:48:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:48:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:48:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:48:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:48:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:48:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:48:12,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:12,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036537760] [2022-11-18 20:48:12,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036537760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:12,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:12,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:12,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75005789] [2022-11-18 20:48:12,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:12,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:12,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:12,150 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:48:12,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:12,176 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2022-11-18 20:48:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:12,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-11-18 20:48:12,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:12,178 INFO L225 Difference]: With dead ends: 58 [2022-11-18 20:48:12,178 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:48:12,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:12,181 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 3 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:12,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:12,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:48:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:48:12,183 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) [2022-11-18 20:48:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:48:12,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-18 20:48:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:12,184 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:12,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 20:48:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:48:12,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:48:12,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:48:12,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:48:12,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:48:12,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:48:12,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:48:12,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:48:12,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:48:12,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:48:12,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:48:12,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:48:12,314 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:48:12,315 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:48:12,316 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:48:12,317 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:48:12,318 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2022-11-18 20:48:12,318 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-18 20:48:12,319 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-18 20:48:12,319 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:48:12,319 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:48:12,320 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:48:12,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-11-18 20:48:12,322 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-11-18 20:48:12,328 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-11-18 20:48:12,328 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-11-18 20:48:12,329 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-11-18 20:48:12,329 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-18 20:48:12,329 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1580 1605) no Hoare annotation was computed. [2022-11-18 20:48:12,330 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-18 20:48:12,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:12,331 INFO L899 garLoopResultBuilder]: For program point L1576-1(lines 1570 1577) no Hoare annotation was computed. [2022-11-18 20:48:12,331 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:48:12,332 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-11-18 20:48:12,332 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:12,332 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:48:12,336 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-18 20:48:12,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-18 20:48:12,341 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:12,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:48:12,343 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-18 20:48:12,343 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-11-18 20:48:12,343 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2022-11-18 20:48:12,344 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-18 20:48:12,344 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-18 20:48:12,344 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-18 20:48:12,345 INFO L902 garLoopResultBuilder]: At program point L1647(lines 1641 1648) the Hoare annotation is: true [2022-11-18 20:48:12,345 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1579) no Hoare annotation was computed. [2022-11-18 20:48:12,345 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1579) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-11-18 20:48:12,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:48:12,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-18 20:48:12,348 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,349 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2022-11-18 20:48:12,353 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,354 INFO L899 garLoopResultBuilder]: For program point L1619-1(lines 1619 1634) no Hoare annotation was computed. [2022-11-18 20:48:12,354 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1591) no Hoare annotation was computed. [2022-11-18 20:48:12,355 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-11-18 20:48:12,356 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-11-18 20:48:12,357 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,359 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-11-18 20:48:12,359 INFO L899 garLoopResultBuilder]: For program point L1611-2(lines 1611 1618) no Hoare annotation was computed. [2022-11-18 20:48:12,360 INFO L895 garLoopResultBuilder]: At program point L1611-4(lines 1611 1618) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~1#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-18 20:48:12,366 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1640) no Hoare annotation was computed. [2022-11-18 20:48:12,367 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,367 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-18 20:48:12,368 INFO L899 garLoopResultBuilder]: For program point L1603-1(lines 1580 1605) no Hoare annotation was computed. [2022-11-18 20:48:12,368 INFO L902 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: true [2022-11-18 20:48:12,368 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-18 20:48:12,368 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1607 1635) no Hoare annotation was computed. [2022-11-18 20:48:12,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-11-18 20:48:12,369 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1604) no Hoare annotation was computed. [2022-11-18 20:48:12,369 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-18 20:48:12,370 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-18 20:48:12,370 INFO L902 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: true [2022-11-18 20:48:12,370 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:12,379 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 20:48:12,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:48:12,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:48:12 BoogieIcfgContainer [2022-11-18 20:48:12,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:48:12,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:12,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:12,417 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:12,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:10" (3/4) ... [2022-11-18 20:48:12,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:48:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:48:12,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-18 20:48:12,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:48:12,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-18 20:48:12,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 20:48:12,450 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:48:12,450 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:48:12,451 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:48:12,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:48:12,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:12,543 INFO L158 Benchmark]: Toolchain (without parser) took 3875.07ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.1MB in the beginning and 130.6MB in the end (delta: -28.5MB). Peak memory consumption was 546.6kB. Max. memory is 16.1GB. [2022-11-18 20:48:12,544 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:12,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.53ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 62.9MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.33ms. Allocated memory is still 138.4MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,546 INFO L158 Benchmark]: Boogie Preprocessor took 73.76ms. Allocated memory is still 138.4MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,546 INFO L158 Benchmark]: RCFGBuilder took 679.59ms. Allocated memory is still 138.4MB. Free memory was 57.9MB in the beginning and 41.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,547 INFO L158 Benchmark]: TraceAbstraction took 1492.94ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 134.8MB in the end (delta: -93.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,547 INFO L158 Benchmark]: Witness Printer took 126.01ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 130.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:48:12,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.53ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 62.9MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.33ms. Allocated memory is still 138.4MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.76ms. Allocated memory is still 138.4MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.59ms. Allocated memory is still 138.4MB. Free memory was 57.9MB in the beginning and 41.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1492.94ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 134.8MB in the end (delta: -93.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 126.01ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 130.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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 4 procedures, 64 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 200 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 18 LocationsWithAnnotation, 37 PreInvPairs, 46 NumberOfFragments, 74 HoareAnnotationTreeSize, 37 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 28/28 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 8 specifications checked. All of them hold - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:48:12,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3ebffa-4c92-4d7e-a542-ec61e76d7dfd/bin/uautomizer-TMbwUNV5ro/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