./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ --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 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 --- 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-dbf71c6-m [2022-10-17 10:51:07,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:51:07,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:51:07,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:51:07,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:51:07,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:51:07,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:51:07,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:51:07,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:51:07,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:51:07,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:51:07,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:51:07,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:51:07,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:51:07,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:51:07,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:51:07,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:51:07,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:51:07,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:51:07,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:51:07,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:51:07,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:51:07,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:51:07,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:51:07,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:51:07,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:51:07,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:51:07,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:51:07,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:51:07,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:51:07,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:51:07,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:51:07,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:51:07,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:51:07,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:51:07,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:51:07,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:51:07,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:51:07,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:51:07,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:51:07,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:51:07,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-17 10:51:07,760 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:51:07,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:51:07,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:51:07,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:51:07,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:51:07,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:51:07,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:51:07,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:51:07,764 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:51:07,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:51:07,764 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:51:07,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:51:07,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:51:07,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:51:07,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:51:07,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:51:07,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:51:07,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:51:07,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 10:51:07,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:51:07,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:51:07,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:51:07,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:51:07,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:51:07,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:51:07,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:51:07,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:51:07,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:51:07,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:51:07,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:51:07,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:51:07,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:51:07,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:51:07,771 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_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 [2022-10-17 10:51:08,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:51:08,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:51:08,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:51:08,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:51:08,058 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:51:08,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2022-10-17 10:51:08,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/data/88a694dfe/c46319cc115f4203ab508c0a0301354f/FLAGef2df7801 [2022-10-17 10:51:08,643 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:51:08,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2022-10-17 10:51:08,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/data/88a694dfe/c46319cc115f4203ab508c0a0301354f/FLAGef2df7801 [2022-10-17 10:51:09,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/data/88a694dfe/c46319cc115f4203ab508c0a0301354f [2022-10-17 10:51:09,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:51:09,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:51:09,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:51:09,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:51:09,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:51:09,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564e27d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09, skipping insertion in model container [2022-10-17 10:51:09,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:51:09,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:51:09,281 WARN L230 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_68549658-3e9f-4fd4-86ea-1b0d0a21c293/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2022-10-17 10:51:09,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:51:09,310 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:51:09,332 WARN L230 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_68549658-3e9f-4fd4-86ea-1b0d0a21c293/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2022-10-17 10:51:09,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:51:09,357 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:51:09,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09 WrapperNode [2022-10-17 10:51:09,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:51:09,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:51:09,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:51:09,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:51:09,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,398 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-10-17 10:51:09,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:51:09,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:51:09,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:51:09,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:51:09,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:51:09,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:51:09,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:51:09,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:51:09,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (1/1) ... [2022-10-17 10:51:09,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:51:09,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:51:09,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:51:09,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:51:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:51:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:51:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:51:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:51:09,609 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:51:09,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:51:09,753 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:51:09,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:51:09,761 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:51:09,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:51:09 BoogieIcfgContainer [2022-10-17 10:51:09,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:51:09,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:51:09,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:51:09,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:51:09,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:51:09" (1/3) ... [2022-10-17 10:51:09,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb49c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:51:09, skipping insertion in model container [2022-10-17 10:51:09,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:51:09" (2/3) ... [2022-10-17 10:51:09,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb49c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:51:09, skipping insertion in model container [2022-10-17 10:51:09,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:51:09" (3/3) ... [2022-10-17 10:51:09,775 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark37_conjunctive.i [2022-10-17 10:51:09,797 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:51:09,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-17 10:51:09,855 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:51:09,863 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=FINITE_AUTOMATA, 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;@48d8b360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:51:09,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-17 10:51:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 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) [2022-10-17 10:51:09,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 10:51:09,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:09,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-17 10:51:09,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-17 10:51:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-10-17 10:51:09,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:09,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041455747] [2022-10-17 10:51:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:09,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:10,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:10,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041455747] [2022-10-17 10:51:10,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041455747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:51:10,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:51:10,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:51:10,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648199270] [2022-10-17 10:51:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:51:10,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:51:10,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:10,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:51:10,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:51:10,307 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 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) [2022-10-17 10:51:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:10,377 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-10-17 10:51:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:51:10,380 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 [2022-10-17 10:51:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:10,388 INFO L225 Difference]: With dead ends: 24 [2022-10-17 10:51:10,388 INFO L226 Difference]: Without dead ends: 11 [2022-10-17 10:51:10,391 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 [2022-10-17 10:51:10,395 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:10,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:51:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-10-17 10:51:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-10-17 10:51:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-10-17 10:51:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 10:51:10,446 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2022-10-17 10:51:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:10,447 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-10-17 10:51:10,447 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) [2022-10-17 10:51:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 10:51:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 10:51:10,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:10,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:51:10,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:51:10,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-17 10:51:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2022-10-17 10:51:10,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:10,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207388798] [2022-10-17 10:51:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:10,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:10,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:10,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207388798] [2022-10-17 10:51:10,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207388798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:51:10,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:51:10,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:51:10,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694507323] [2022-10-17 10:51:10,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:51:10,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:51:10,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:10,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:51:10,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:51:10,548 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-10-17 10:51:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:10,563 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2022-10-17 10:51:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:51:10,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-10-17 10:51:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:10,568 INFO L225 Difference]: With dead ends: 11 [2022-10-17 10:51:10,568 INFO L226 Difference]: Without dead ends: 10 [2022-10-17 10:51:10,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:51:10,571 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:10,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:51:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-10-17 10:51:10,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-10-17 10:51:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-10-17 10:51:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-17 10:51:10,576 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2022-10-17 10:51:10,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:10,577 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-10-17 10:51:10,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-10-17 10:51:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-17 10:51:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 10:51:10,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:10,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:51:10,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:51:10,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-17 10:51:10,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2022-10-17 10:51:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:10,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997119880] [2022-10-17 10:51:10,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:10,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:10,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997119880] [2022-10-17 10:51:10,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997119880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:51:10,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:51:10,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:51:10,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166127218] [2022-10-17 10:51:10,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:51:10,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:51:10,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:10,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:51:10,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:51:10,690 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-10-17 10:51:10,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:10,729 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2022-10-17 10:51:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:51:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-10-17 10:51:10,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:10,730 INFO L225 Difference]: With dead ends: 10 [2022-10-17 10:51:10,730 INFO L226 Difference]: Without dead ends: 9 [2022-10-17 10:51:10,731 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 [2022-10-17 10:51:10,733 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:10,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:51:10,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-10-17 10:51:10,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-10-17 10:51:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-10-17 10:51:10,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 10:51:10,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2022-10-17 10:51:10,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:10,737 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-10-17 10:51:10,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-10-17 10:51:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 10:51:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 10:51:10,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:10,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:51:10,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:51:10,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-17 10:51:10,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2022-10-17 10:51:10,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:10,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692349509] [2022-10-17 10:51:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:10,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:10,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692349509] [2022-10-17 10:51:10,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692349509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:51:10,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:51:10,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:51:10,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268955411] [2022-10-17 10:51:10,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:51:10,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:51:10,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:10,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:51:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:51:10,875 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-17 10:51:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:10,939 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-10-17 10:51:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:51:10,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2022-10-17 10:51:10,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:10,941 INFO L225 Difference]: With dead ends: 15 [2022-10-17 10:51:10,943 INFO L226 Difference]: Without dead ends: 14 [2022-10-17 10:51:10,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:51:10,946 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:10,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 16 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:51:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-10-17 10:51:10,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-10-17 10:51:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-10-17 10:51:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-10-17 10:51:10,955 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2022-10-17 10:51:10,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:10,956 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-10-17 10:51:10,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-10-17 10:51:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-10-17 10:51:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 10:51:10,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:10,957 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-17 10:51:10,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:51:10,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-17 10:51:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:10,958 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times [2022-10-17 10:51:10,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:10,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840215211] [2022-10-17 10:51:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:10,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:11,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:11,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840215211] [2022-10-17 10:51:11,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840215211] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:51:11,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567564123] [2022-10-17 10:51:11,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:11,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:51:11,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:51:11,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:51:11,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:51:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:11,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:51:11,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:51:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:51:11,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:51:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:51:11,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567564123] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:51:11,537 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:51:11,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2022-10-17 10:51:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978157572] [2022-10-17 10:51:11,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:51:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-17 10:51:11,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:11,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-17 10:51:11,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:51:11,540 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 15 states have internal predecessors, (30), 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) [2022-10-17 10:51:11,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:11,612 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-10-17 10:51:11,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:51:11,613 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 15 states have internal predecessors, (30), 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 13 [2022-10-17 10:51:11,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:11,613 INFO L225 Difference]: With dead ends: 14 [2022-10-17 10:51:11,613 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:51:11,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-10-17 10:51:11,616 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:11,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:51:11,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:51:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:51:11,617 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) [2022-10-17 10:51:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:51:11,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-10-17 10:51:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:11,618 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:51:11,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 15 states have internal predecessors, (30), 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) [2022-10-17 10:51:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:51:11,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:51:11,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-17 10:51:11,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-17 10:51:11,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-17 10:51:11,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-17 10:51:11,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:51:11,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:51:11,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:51:11,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-10-17 10:51:11,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:51:11,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-10-17 10:51:11,855 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-10-17 10:51:11,856 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-10-17 10:51:11,856 INFO L895 garLoopResultBuilder]: At program point L23-2(lines 23 26) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-10-17 10:51:11,856 INFO L899 garLoopResultBuilder]: For program point L23-3(lines 23 26) no Hoare annotation was computed. [2022-10-17 10:51:11,857 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2022-10-17 10:51:11,857 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:51:11,857 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-10-17 10:51:11,857 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-10-17 10:51:11,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:51:11,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:51:11,858 INFO L895 garLoopResultBuilder]: At program point L28(lines 19 29) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2022-10-17 10:51:11,858 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-10-17 10:51:11,858 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-10-17 10:51:11,859 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-10-17 10:51:11,859 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2022-10-17 10:51:11,862 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 10:51:11,865 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:51:11,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:51:11 BoogieIcfgContainer [2022-10-17 10:51:11,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:51:11,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:51:11,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:51:11,882 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:51:11,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:51:09" (3/4) ... [2022-10-17 10:51:11,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:51:11,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 10:51:11,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 10:51:11,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:51:11,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:51:11,927 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:51:11,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:51:11,928 INFO L158 Benchmark]: Toolchain (without parser) took 2916.50ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 44.3MB in the beginning and 72.6MB in the end (delta: -28.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 10:51:11,929 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:51:11,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.15ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 44.0MB in the beginning and 80.1MB in the end (delta: -36.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:51:11,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.24ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:51:11,930 INFO L158 Benchmark]: Boogie Preprocessor took 40.21ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 77.7MB in the end (delta: 942.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:51:11,931 INFO L158 Benchmark]: RCFGBuilder took 322.87ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:51:11,931 INFO L158 Benchmark]: TraceAbstraction took 2114.38ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 75.4MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:51:11,932 INFO L158 Benchmark]: Witness Printer took 46.13ms. Allocated memory is still 107.0MB. Free memory was 75.4MB in the beginning and 72.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:51:11,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.15ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 44.0MB in the beginning and 80.1MB in the end (delta: -36.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.24ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.21ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 77.7MB in the end (delta: 942.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.87ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2114.38ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 75.4MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.13ms. Allocated memory is still 107.0MB. Free memory was 75.4MB in the beginning and 72.6MB in the end (delta: 2.8MB). 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 31 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 6 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (x <= y && 0 <= y) && y <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-10-17 10:51:11,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68549658-3e9f-4fd4-86ea-1b0d0a21c293/bin/uautomizer-J5u9QxTXDZ/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