./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/terminator_02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/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_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/terminator_02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/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 32bit --witnessprinter.graph.data.programhash 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b --- 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 20:39:19,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:39:19,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:39:19,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:39:19,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:39:19,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:39:19,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:39:19,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:39:19,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:39:19,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:39:19,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:39:19,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:39:19,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:39:19,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:39:19,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:39:19,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:39:19,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:39:19,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:39:19,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:39:19,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:39:19,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:39:19,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:39:19,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:39:19,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:39:19,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:39:19,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:39:19,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:39:19,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:39:19,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:39:19,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:39:19,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:39:19,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:39:19,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:39:19,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:39:19,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:39:19,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:39:19,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:39:19,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:39:19,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:39:19,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:39:19,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:39:19,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:39:19,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:39:19,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:39:19,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:39:19,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:39:19,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:39:19,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:39:19,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:39:19,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:39:19,250 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:39:19,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:39:19,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:39:19,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:39:19,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:39:19,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:39:19,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:39:19,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:39:19,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:39:19,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:39:19,253 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:39:19,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:39:19,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:39:19,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:39:19,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:39:19,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:39:19,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:39:19,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:39:19,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:19,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:39:19,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:39:19,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:39:19,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:39:19,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:39:19,256 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:39:19,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:39:19,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:39:19,257 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_453a5ee6-f572-46f3-807d-27efb8f008c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b [2022-11-18 20:39:19,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:39:19,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:39:19,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:39:19,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:39:19,631 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:39:19,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loops/terminator_02-1.c [2022-11-18 20:39:19,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/data/9629cd8f8/81c1d5cf75c0454482e46ac01b098d29/FLAG72cef8d1c [2022-11-18 20:39:20,309 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:39:20,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/sv-benchmarks/c/loops/terminator_02-1.c [2022-11-18 20:39:20,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/data/9629cd8f8/81c1d5cf75c0454482e46ac01b098d29/FLAG72cef8d1c [2022-11-18 20:39:20,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/data/9629cd8f8/81c1d5cf75c0454482e46ac01b098d29 [2022-11-18 20:39:20,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:39:20,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:39:20,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:20,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:39:20,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:39:20,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:20,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4007dbfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20, skipping insertion in model container [2022-11-18 20:39:20,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:20,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:39:20,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:39:20,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/sv-benchmarks/c/loops/terminator_02-1.c[327,340] [2022-11-18 20:39:20,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:20,929 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:39:20,942 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/sv-benchmarks/c/loops/terminator_02-1.c[327,340] [2022-11-18 20:39:20,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:20,968 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:39:20,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20 WrapperNode [2022-11-18 20:39:20,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:20,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:20,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:39:20,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:39:20,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:20,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,002 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-18 20:39:21,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:21,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:39:21,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:39:21,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:39:21,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:39:21,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:39:21,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:39:21,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:39:21,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (1/1) ... [2022-11-18 20:39:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:21,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:21,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:21,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:39:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:39:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:39:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:39:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:39:21,206 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:39:21,211 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:39:21,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:39:21,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:39:21,348 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:39:21,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:21 BoogieIcfgContainer [2022-11-18 20:39:21,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:39:21,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:39:21,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:39:21,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:39:21,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:39:20" (1/3) ... [2022-11-18 20:39:21,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7031eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:21, skipping insertion in model container [2022-11-18 20:39:21,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:20" (2/3) ... [2022-11-18 20:39:21,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7031eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:21, skipping insertion in model container [2022-11-18 20:39:21,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:21" (3/3) ... [2022-11-18 20:39:21,367 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2022-11-18 20:39:21,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:39:21,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-18 20:39:21,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:39:21,451 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;@25226e73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:39:21,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-18 20:39:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.625) internal successors, (26), 22 states have internal predecessors, (26), 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 20:39:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:39:21,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:21,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:39:21,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-18 20:39:21,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2022-11-18 20:39:21,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:21,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883570542] [2022-11-18 20:39:21,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:21,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:21,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883570542] [2022-11-18 20:39:21,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883570542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:21,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:21,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:39:21,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77987430] [2022-11-18 20:39:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:21,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:39:21,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:21,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:39:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:21,745 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.625) internal successors, (26), 22 states have internal predecessors, (26), 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 20:39:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:21,896 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-18 20:39:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:39:21,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-11-18 20:39:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:21,908 INFO L225 Difference]: With dead ends: 38 [2022-11-18 20:39:21,908 INFO L226 Difference]: Without dead ends: 16 [2022-11-18 20:39:21,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:39:21,931 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:21,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 54 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-18 20:39:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-18 20:39:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.6) internal successors, (16), 14 states have internal predecessors, (16), 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 20:39:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-18 20:39:21,966 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2022-11-18 20:39:21,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:21,967 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-18 20:39:21,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 20:39:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-18 20:39:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:39:21,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:21,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:39:21,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:39:21,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-18 20:39:21,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2022-11-18 20:39:21,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:21,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749643992] [2022-11-18 20:39:21,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:22,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:22,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749643992] [2022-11-18 20:39:22,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749643992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:22,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:22,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:39:22,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60670140] [2022-11-18 20:39:22,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:22,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:39:22,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:22,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:39:22,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:22,036 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 20:39:22,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:22,064 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-11-18 20:39:22,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:39:22,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-11-18 20:39:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:22,066 INFO L225 Difference]: With dead ends: 15 [2022-11-18 20:39:22,066 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 20:39:22,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:39:22,068 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:22,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:39:22,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 20:39:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-18 20:39:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 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 20:39:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-18 20:39:22,073 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 5 [2022-11-18 20:39:22,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:22,073 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-18 20:39:22,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 20:39:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-18 20:39:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:39:22,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:22,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:39:22,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:39:22,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-18 20:39:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2022-11-18 20:39:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:22,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315363108] [2022-11-18 20:39:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:22,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:39:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:22,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:22,134 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:39:22,135 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-18 20:39:22,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-18 20:39:22,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-18 20:39:22,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-18 20:39:22,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-18 20:39:22,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-18 20:39:22,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:39:22,142 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 20:39:22,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:39:22,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:39:22 BoogieIcfgContainer [2022-11-18 20:39:22,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:39:22,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:39:22,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:39:22,172 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:39:22,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:21" (3/4) ... [2022-11-18 20:39:22,175 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:39:22,228 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453a5ee6-f572-46f3-807d-27efb8f008c4/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:39:22,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:39:22,230 INFO L158 Benchmark]: Toolchain (without parser) took 1552.97ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 56.6MB in the beginning and 76.9MB in the end (delta: -20.3MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,231 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:39:22,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.36ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 69.9MB in the end (delta: -13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.46ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,232 INFO L158 Benchmark]: Boogie Preprocessor took 34.04ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:39:22,233 INFO L158 Benchmark]: RCFGBuilder took 311.10ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 57.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,233 INFO L158 Benchmark]: TraceAbstraction took 818.06ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 56.8MB in the beginning and 78.5MB in the end (delta: -21.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,234 INFO L158 Benchmark]: Witness Printer took 57.53ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 76.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:39:22,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.36ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 69.9MB in the end (delta: -13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.46ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.04ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.10ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 57.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 818.06ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 56.8MB in the beginning and 78.5MB in the end (delta: -21.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 57.53ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 76.9MB in the end (delta: 1.6MB). 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 - CounterExampleResult [Line: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int x=__VERIFIER_nondet_int(); [L17] int y=__VERIFIER_nondet_int(); [L18] int z=__VERIFIER_nondet_int(); [L20] COND TRUE x<100 && 100