./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d3e67dec28c9389eb025d33452a408e4a802bd89d70a2976d1cd34b69612d55 --- 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-4e7fbc6 [2022-11-23 15:00:48,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:00:48,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:00:48,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:00:48,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:00:48,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:00:48,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:00:48,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:00:48,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:00:48,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:00:48,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:00:48,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:00:48,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:00:48,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:00:48,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:00:48,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:00:48,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:00:48,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:00:48,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:00:48,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:00:48,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:00:48,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:00:48,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:00:48,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:00:48,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:00:48,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:00:48,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:00:48,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:00:48,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:00:48,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:00:48,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:00:48,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:00:48,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:00:48,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:00:48,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:00:48,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:00:48,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:00:48,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:00:48,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:00:48,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:00:48,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:00:48,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:00:48,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:00:48,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:00:48,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:00:48,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:00:48,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:00:48,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:00:48,283 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:00:48,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:00:48,284 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:00:48,284 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:00:48,285 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:00:48,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:00:48,286 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:00:48,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:00:48,287 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:00:48,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:00:48,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:00:48,287 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:00:48,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:00:48,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:00:48,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:00:48,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:00:48,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:00:48,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:00:48,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:00:48,290 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:00:48,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:00:48,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:00:48,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:00:48,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:00:48,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:00:48,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:00:48,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:00:48,293 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:00:48,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:00:48,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:00:48,294 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:00:48,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:00:48,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:00:48,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:00:48,295 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_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d3e67dec28c9389eb025d33452a408e4a802bd89d70a2976d1cd34b69612d55 [2022-11-23 15:00:48,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:00:48,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:00:48,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:00:48,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:00:48,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:00:48,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i [2022-11-23 15:00:51,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:00:52,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:00:52,341 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i [2022-11-23 15:00:52,382 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/5e1c4c8b7/ae0d5d003e64498fb5239b0ebec95910/FLAG4241265cd [2022-11-23 15:00:52,402 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/5e1c4c8b7/ae0d5d003e64498fb5239b0ebec95910 [2022-11-23 15:00:52,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:00:52,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:00:52,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:00:52,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:00:52,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:00:52,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:52" (1/1) ... [2022-11-23 15:00:52,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee30854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:52, skipping insertion in model container [2022-11-23 15:00:52,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:52" (1/1) ... [2022-11-23 15:00:52,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:00:52,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:00:53,107 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:00:54,397 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-23 15:00:54,403 INFO L158 Benchmark]: Toolchain (without parser) took 1994.55ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 114.6MB in the end (delta: -15.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-11-23 15:00:54,404 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:00:54,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1989.79ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 114.6MB in the end (delta: -15.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-11-23 15:00:54,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1989.79ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 114.6MB in the end (delta: -15.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d3e67dec28c9389eb025d33452a408e4a802bd89d70a2976d1cd34b69612d55 --- 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-4e7fbc6 [2022-11-23 15:00:56,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:00:56,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:00:57,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:00:57,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:00:57,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:00:57,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:00:57,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:00:57,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:00:57,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:00:57,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:00:57,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:00:57,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:00:57,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:00:57,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:00:57,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:00:57,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:00:57,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:00:57,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:00:57,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:00:57,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:00:57,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:00:57,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:00:57,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:00:57,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:00:57,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:00:57,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:00:57,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:00:57,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:00:57,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:00:57,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:00:57,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:00:57,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:00:57,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:00:57,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:00:57,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:00:57,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:00:57,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:00:57,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:00:57,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:00:57,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:00:57,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:00:57,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:00:57,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:00:57,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:00:57,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:00:57,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:00:57,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:00:57,194 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:00:57,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:00:57,195 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:00:57,195 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:00:57,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:00:57,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:00:57,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:00:57,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:00:57,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:00:57,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:00:57,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:00:57,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:00:57,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:00:57,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:00:57,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:00:57,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:00:57,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:00:57,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:00:57,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:00:57,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:00:57,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:00:57,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:00:57,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:00:57,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:00:57,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:00:57,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:00:57,202 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d3e67dec28c9389eb025d33452a408e4a802bd89d70a2976d1cd34b69612d55 [2022-11-23 15:00:57,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:00:57,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:00:57,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:00:57,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:00:57,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:00:57,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i [2022-11-23 15:01:01,272 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:01:01,845 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:01:01,846 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_34_good.i [2022-11-23 15:01:01,884 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/56256900d/fa1dc98c82e5429892f5cfd1f0a179cc/FLAG95202d26d [2022-11-23 15:01:01,918 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/data/56256900d/fa1dc98c82e5429892f5cfd1f0a179cc [2022-11-23 15:01:01,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:01:01,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:01:01,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:01:01,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:01:01,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:01:01,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:01" (1/1) ... [2022-11-23 15:01:01,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e33caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:01, skipping insertion in model container [2022-11-23 15:01:01,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:01" (1/1) ... [2022-11-23 15:01:01,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:01:02,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:01:02,735 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:01:04,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:01:04,387 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:01:04,414 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:01:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:01:04,999 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:01:04,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04 WrapperNode [2022-11-23 15:01:04,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:01:05,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:01:05,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:01:05,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:01:05,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,085 INFO L138 Inliner]: procedures = 944, calls = 72, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2022-11-23 15:01:05,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:01:05,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:01:05,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:01:05,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:01:05,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:01:05,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:01:05,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:01:05,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:01:05,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (1/1) ... [2022-11-23 15:01:05,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:01:05,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:01:05,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:01:05,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:01:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 15:01:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 15:01:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:01:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:01:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:01:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:01:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:01:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:01:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:01:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:01:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:01:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:01:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:01:05,483 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:01:05,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:01:09,687 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:01:09,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:01:09,695 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:01:09,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:09 BoogieIcfgContainer [2022-11-23 15:01:09,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:01:09,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:01:09,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:01:09,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:01:09,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:01:01" (1/3) ... [2022-11-23 15:01:09,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb6803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:01:09, skipping insertion in model container [2022-11-23 15:01:09,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:04" (2/3) ... [2022-11-23 15:01:09,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb6803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:01:09, skipping insertion in model container [2022-11-23 15:01:09,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:09" (3/3) ... [2022-11-23 15:01:09,707 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_34_good.i [2022-11-23 15:01:09,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:01:09,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 15:01:09,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:01:09,789 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;@41a46e1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:01:09,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-23 15:01:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:01:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:01:09,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:09,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:09,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:01:09,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:09,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1856215131, now seen corresponding path program 1 times [2022-11-23 15:01:09,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:01:09,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104002320] [2022-11-23 15:01:09,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:09,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:09,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:01:09,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:01:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:01:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:10,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:01:10,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:01:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:10,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:01:10,284 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:01:10,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104002320] [2022-11-23 15:01:10,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104002320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:10,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:10,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:01:10,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344109462] [2022-11-23 15:01:10,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:10,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:01:10,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:01:10,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:01:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:01:10,367 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:01:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:10,522 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-11-23 15:01:10,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:01:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-23 15:01:10,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:10,541 INFO L225 Difference]: With dead ends: 36 [2022-11-23 15:01:10,541 INFO L226 Difference]: Without dead ends: 24 [2022-11-23 15:01:10,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:01:10,551 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 20 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:10,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 51 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:01:10,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-23 15:01:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-23 15:01:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:01:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-23 15:01:10,601 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 9 [2022-11-23 15:01:10,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:10,602 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-23 15:01:10,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:01:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-23 15:01:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:01:10,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:10,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:10,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:01:10,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:10,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:01:10,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:10,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1574744561, now seen corresponding path program 1 times [2022-11-23 15:01:10,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:01:10,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007648560] [2022-11-23 15:01:10,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:10,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:01:10,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:01:10,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:01:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:11,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:01:11,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:01:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:11,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:01:11,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:01:11,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007648560] [2022-11-23 15:01:11,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007648560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:11,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:11,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:01:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398410802] [2022-11-23 15:01:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:11,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:01:11,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:01:11,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:01:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:01:11,114 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:01:11,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:11,760 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-23 15:01:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:01:11,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-11-23 15:01:11,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:11,771 INFO L225 Difference]: With dead ends: 25 [2022-11-23 15:01:11,771 INFO L226 Difference]: Without dead ends: 24 [2022-11-23 15:01:11,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:01:11,773 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:11,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:01:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-23 15:01:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-23 15:01:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:01:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-23 15:01:11,779 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 18 [2022-11-23 15:01:11,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:11,779 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-23 15:01:11,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:01:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-23 15:01:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:01:11,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:11,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:11,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:01:11,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:11,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:01:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1572437040, now seen corresponding path program 1 times [2022-11-23 15:01:11,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:01:11,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411539965] [2022-11-23 15:01:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:11,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:01:11,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:01:12,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 15:01:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:12,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:01:12,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:01:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:12,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:01:12,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:01:12,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411539965] [2022-11-23 15:01:12,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411539965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:12,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:12,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:01:12,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123667204] [2022-11-23 15:01:12,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:12,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:01:12,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:01:12,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:01:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:01:12,302 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:01:12,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:12,403 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-11-23 15:01:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:01:12,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-11-23 15:01:12,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:12,405 INFO L225 Difference]: With dead ends: 28 [2022-11-23 15:01:12,405 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 15:01:12,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:01:12,407 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:12,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:01:12,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 15:01:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 15:01:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:01:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-23 15:01:12,414 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 19 [2022-11-23 15:01:12,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:12,415 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-23 15:01:12,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:01:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-23 15:01:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:01:12,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:12,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:12,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:01:12,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:12,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:01:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:12,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1501032911, now seen corresponding path program 1 times [2022-11-23 15:01:12,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:01:12,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779192640] [2022-11-23 15:01:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:12,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:01:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:01:12,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:01:12,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 15:02:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:02:49,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:02:49,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:02:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:02:51,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:02:51,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:02:51,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779192640] [2022-11-23 15:02:51,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779192640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:02:51,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:02:51,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:02:51,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792260405] [2022-11-23 15:02:51,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:02:51,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:02:51,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:02:51,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:02:51,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:02:51,707 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:02:55,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:02:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:02:55,328 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-23 15:02:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:02:55,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-23 15:02:55,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:02:55,336 INFO L225 Difference]: With dead ends: 23 [2022-11-23 15:02:55,336 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 15:02:55,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:02:55,338 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:02:55,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 81 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 15:02:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 15:02:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 15:02:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:02:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-23 15:02:55,344 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2022-11-23 15:02:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:02:55,345 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-23 15:02:55,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:02:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-23 15:02:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 15:02:55,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:02:55,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:02:55,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:02:55,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:02:55,559 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:02:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:02:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash 712620082, now seen corresponding path program 1 times [2022-11-23 15:02:55,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:02:55,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446966533] [2022-11-23 15:02:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:02:55,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:02:55,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:02:55,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:02:55,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 15:04:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:31,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:04:31,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:04:33,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:04:33,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:04:33,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446966533] [2022-11-23 15:04:33,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446966533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:33,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:33,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:04:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211590390] [2022-11-23 15:04:33,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:33,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:04:33,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:04:33,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:04:33,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:04:33,596 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:04:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:35,235 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-23 15:04:35,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:04:35,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-23 15:04:35,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:35,241 INFO L225 Difference]: With dead ends: 22 [2022-11-23 15:04:35,241 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:04:35,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:04:35,243 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:35,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:04:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:04:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:04:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:04:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:04:35,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-23 15:04:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:35,245 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:04:35,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:04:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:04:35,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:04:35,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-23 15:04:35,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-23 15:04:35,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-23 15:04:35,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-23 15:04:35,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-23 15:04:35,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:04:35,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:04:35,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:04:35,479 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 15:04:35,479 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:04:35,480 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 15:04:35,480 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:04:35,480 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:04:35,480 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 15:04:35,481 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:04:35,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1847) no Hoare annotation was computed. [2022-11-23 15:04:35,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:04:35,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1863) no Hoare annotation was computed. [2022-11-23 15:04:35,481 INFO L899 garLoopResultBuilder]: For program point L1852(lines 1852 1871) no Hoare annotation was computed. [2022-11-23 15:04:35,482 INFO L895 garLoopResultBuilder]: At program point L1883(lines 1877 1884) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 15:04:35,482 INFO L895 garLoopResultBuilder]: At program point L1848(line 1848) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 15:04:35,482 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-23 15:04:35,482 INFO L899 garLoopResultBuilder]: For program point L1863(line 1863) no Hoare annotation was computed. [2022-11-23 15:04:35,483 INFO L899 garLoopResultBuilder]: For program point L1863-1(line 1863) no Hoare annotation was computed. [2022-11-23 15:04:35,483 INFO L899 garLoopResultBuilder]: For program point L1861(line 1861) no Hoare annotation was computed. [2022-11-23 15:04:35,483 INFO L899 garLoopResultBuilder]: For program point L1861-1(line 1861) no Hoare annotation was computed. [2022-11-23 15:04:35,483 INFO L899 garLoopResultBuilder]: For program point L1861-3(lines 1861 1869) no Hoare annotation was computed. [2022-11-23 15:04:35,483 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:04:35,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1847) no Hoare annotation was computed. [2022-11-23 15:04:35,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2022-11-23 15:04:35,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:04:35,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1863) no Hoare annotation was computed. [2022-11-23 15:04:35,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 15:04:35,485 INFO L895 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 15:04:35,485 INFO L899 garLoopResultBuilder]: For program point L1882-1(line 1882) no Hoare annotation was computed. [2022-11-23 15:04:35,485 INFO L902 garLoopResultBuilder]: At program point L1880(line 1880) the Hoare annotation is: true [2022-11-23 15:04:35,485 INFO L899 garLoopResultBuilder]: For program point L1880-1(line 1880) no Hoare annotation was computed. [2022-11-23 15:04:35,486 INFO L899 garLoopResultBuilder]: For program point L1847(line 1847) no Hoare annotation was computed. [2022-11-23 15:04:35,486 INFO L899 garLoopResultBuilder]: For program point L1847-1(line 1847) no Hoare annotation was computed. [2022-11-23 15:04:35,486 INFO L899 garLoopResultBuilder]: For program point L1872(lines 1872 1876) no Hoare annotation was computed. [2022-11-23 15:04:35,486 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1851) no Hoare annotation was computed. [2022-11-23 15:04:35,486 INFO L895 garLoopResultBuilder]: At program point L1868(line 1868) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 15:04:35,487 INFO L899 garLoopResultBuilder]: For program point L1868-1(lines 1861 1869) no Hoare annotation was computed. [2022-11-23 15:04:35,487 INFO L895 garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 15:04:35,491 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 15:04:35,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:04:35,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:04:35 BoogieIcfgContainer [2022-11-23 15:04:35,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:04:35,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:04:35,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:04:35,509 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:04:35,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:09" (3/4) ... [2022-11-23 15:04:35,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:04:35,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 15:04:35,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 15:04:35,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 15:04:35,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 15:04:35,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:04:35,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:04:35,570 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:04:35,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:04:35,571 INFO L158 Benchmark]: Toolchain (without parser) took 213645.45ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 44.2MB in the beginning and 47.8MB in the end (delta: -3.6MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,571 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 71.3MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:35,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3071.08ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 44.0MB in the beginning and 36.4MB in the end (delta: 7.6MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.65ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 63.4MB in the end (delta: -27.0MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,573 INFO L158 Benchmark]: Boogie Preprocessor took 82.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 60.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,573 INFO L158 Benchmark]: RCFGBuilder took 4526.80ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 44.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,574 INFO L158 Benchmark]: TraceAbstraction took 205809.33ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 43.8MB in the beginning and 50.2MB in the end (delta: -6.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,574 INFO L158 Benchmark]: Witness Printer took 61.58ms. Allocated memory is still 119.5MB. Free memory was 50.2MB in the beginning and 47.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:35,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 71.3MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3071.08ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 44.0MB in the beginning and 36.4MB in the end (delta: 7.6MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.65ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 63.4MB in the end (delta: -27.0MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 60.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4526.80ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 44.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 205809.33ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 43.8MB in the beginning and 50.2MB in the end (delta: -6.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 61.58ms. Allocated memory is still 119.5MB. Free memory was 50.2MB in the beginning and 47.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1863]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 205.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 117 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 192.0s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 5 QuantifiedInterpolants, 351 SizeOfPredicates, 11 NumberOfNonLiveVariables, 527 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1877]: Loop Invariant Derived loop invariant: 2bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-23 15:04:35,827 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 15:04:35,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05436da0-95dc-48a2-9604-62ba85fa43ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE