./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE --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 b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:57:04,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:57:04,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:57:04,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:57:04,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:57:04,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:57:04,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:57:04,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:57:04,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:57:04,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:57:04,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:57:04,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:57:04,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:57:04,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:57:04,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:57:04,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:57:04,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:57:04,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:57:04,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:57:04,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:57:04,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:57:04,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:57:04,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:57:04,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:57:04,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:57:04,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:57:04,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:57:04,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:57:04,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:57:04,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:57:04,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:57:04,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:57:04,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:57:04,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:57:04,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:57:04,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:57:04,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:57:04,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:57:04,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:57:04,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:57:04,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:57:04,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-24 09:57:04,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:57:04,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:57:04,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:57:04,446 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:57:04,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:57:04,447 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:57:04,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:57:04,447 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:57:04,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:57:04,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:57:04,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:57:04,455 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:57:04,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:57:04,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:57:04,456 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:57:04,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:57:04,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 09:57:04,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:57:04,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:57:04,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:57:04,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:57:04,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:57:04,458 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-24 09:57:04,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:57:04,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:57:04,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:57:04,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:57:04,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:57:04,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:57:04,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:57:04,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:57:04,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:57:04,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:57:04,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:57:04,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:57:04,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:57:04,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:57:04,470 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 [2021-10-24 09:57:04,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:57:04,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:57:04,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:57:04,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:57:04,790 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:57:04,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-10-24 09:57:04,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/data/c3e57d90d/f7a172eaa0a440c5847a86e60826dd90/FLAG16e6202c2 [2021-10-24 09:57:05,262 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:57:05,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-10-24 09:57:05,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/data/c3e57d90d/f7a172eaa0a440c5847a86e60826dd90/FLAG16e6202c2 [2021-10-24 09:57:05,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/data/c3e57d90d/f7a172eaa0a440c5847a86e60826dd90 [2021-10-24 09:57:05,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:57:05,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:57:05,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:05,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:57:05,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:57:05,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548f7f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05, skipping insertion in model container [2021-10-24 09:57:05,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:57:05,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:57:05,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:05,840 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:57:05,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:05,889 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:57:05,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05 WrapperNode [2021-10-24 09:57:05,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:05,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:57:05,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:57:05,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:57:05,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:57:05,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:57:05,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:57:05,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:57:05,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:57:05,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:57:05,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:57:05,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:57:05,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:57:05,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:57:06,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:57:06,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:57:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:57:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:57:06,341 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:57:06,341 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-24 09:57:06,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:06 BoogieIcfgContainer [2021-10-24 09:57:06,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:57:06,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:57:06,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:57:06,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:57:06,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:57:05" (1/3) ... [2021-10-24 09:57:06,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346ea988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:06, skipping insertion in model container [2021-10-24 09:57:06,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05" (2/3) ... [2021-10-24 09:57:06,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346ea988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:06, skipping insertion in model container [2021-10-24 09:57:06,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:06" (3/3) ... [2021-10-24 09:57:06,374 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-10-24 09:57:06,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:57:06,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-10-24 09:57:06,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:57:06,454 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:57:06,455 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-10-24 09:57:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 29 states have internal predecessors, (33), 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) [2021-10-24 09:57:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 09:57:06,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:06,475 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 09:57:06,475 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 965143, now seen corresponding path program 1 times [2021-10-24 09:57:06,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:06,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785113293] [2021-10-24 09:57:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:06,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:06,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:06,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785113293] [2021-10-24 09:57:06,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785113293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:06,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:06,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 09:57:06,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920557605] [2021-10-24 09:57:06,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:06,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:06,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:06,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:06,648 INFO L87 Difference]: Start difference. First operand has 30 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-24 09:57:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:06,721 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2021-10-24 09:57:06,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:06,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-24 09:57:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:06,732 INFO L225 Difference]: With dead ends: 50 [2021-10-24 09:57:06,732 INFO L226 Difference]: Without dead ends: 46 [2021-10-24 09:57:06,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:06,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-24 09:57:06,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2021-10-24 09:57:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.8148148148148149) internal successors, (49), 38 states have internal predecessors, (49), 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) [2021-10-24 09:57:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-10-24 09:57:06,769 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2021-10-24 09:57:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:06,770 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-24 09:57:06,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-24 09:57:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-10-24 09:57:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-24 09:57:06,771 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:06,771 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-24 09:57:06,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 09:57:06,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2021-10-24 09:57:06,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:06,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97445226] [2021-10-24 09:57:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:06,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:06,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:06,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97445226] [2021-10-24 09:57:06,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97445226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:06,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:06,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 09:57:06,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310551106] [2021-10-24 09:57:06,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:57:06,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:06,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:57:06,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:06,811 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:06,934 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2021-10-24 09:57:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:57:06,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-24 09:57:06,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:06,936 INFO L225 Difference]: With dead ends: 59 [2021-10-24 09:57:06,936 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 09:57:06,937 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:57:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 09:57:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2021-10-24 09:57:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 46 states have internal predecessors, (60), 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) [2021-10-24 09:57:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2021-10-24 09:57:06,947 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 5 [2021-10-24 09:57:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:06,947 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2021-10-24 09:57:06,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2021-10-24 09:57:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-24 09:57:06,949 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:06,949 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-24 09:57:06,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 09:57:06,949 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:06,950 INFO L82 PathProgramCache]: Analyzing trace with hash 29919517, now seen corresponding path program 1 times [2021-10-24 09:57:06,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:06,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775088658] [2021-10-24 09:57:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:06,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,002 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:07,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775088658] [2021-10-24 09:57:07,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775088658] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:07,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:07,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 09:57:07,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40474172] [2021-10-24 09:57:07,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:07,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:07,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:07,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,017 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:07,053 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2021-10-24 09:57:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:07,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-24 09:57:07,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:07,055 INFO L225 Difference]: With dead ends: 47 [2021-10-24 09:57:07,055 INFO L226 Difference]: Without dead ends: 44 [2021-10-24 09:57:07,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-24 09:57:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-24 09:57:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 43 states have internal predecessors, (56), 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) [2021-10-24 09:57:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2021-10-24 09:57:07,063 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2021-10-24 09:57:07,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:07,063 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2021-10-24 09:57:07,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-10-24 09:57:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 09:57:07,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:07,065 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 09:57:07,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 09:57:07,065 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:07,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:07,066 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2021-10-24 09:57:07,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:07,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83114387] [2021-10-24 09:57:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:07,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:07,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83114387] [2021-10-24 09:57:07,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83114387] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:07,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:07,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 09:57:07,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175594619] [2021-10-24 09:57:07,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:07,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:07,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:07,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,091 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:07,148 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2021-10-24 09:57:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-24 09:57:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:07,151 INFO L225 Difference]: With dead ends: 103 [2021-10-24 09:57:07,151 INFO L226 Difference]: Without dead ends: 60 [2021-10-24 09:57:07,152 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-24 09:57:07,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2021-10-24 09:57:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 57 states have internal predecessors, (74), 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) [2021-10-24 09:57:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-10-24 09:57:07,161 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2021-10-24 09:57:07,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:07,162 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-24 09:57:07,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2021-10-24 09:57:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 09:57:07,163 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:07,163 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 09:57:07,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 09:57:07,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2021-10-24 09:57:07,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:07,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498703236] [2021-10-24 09:57:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:07,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:07,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498703236] [2021-10-24 09:57:07,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498703236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:07,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:07,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 09:57:07,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831824392] [2021-10-24 09:57:07,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:07,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,229 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:07,277 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2021-10-24 09:57:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:07,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-24 09:57:07,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:07,278 INFO L225 Difference]: With dead ends: 58 [2021-10-24 09:57:07,278 INFO L226 Difference]: Without dead ends: 57 [2021-10-24 09:57:07,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-24 09:57:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-24 09:57:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.411764705882353) internal successors, (72), 56 states have internal predecessors, (72), 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) [2021-10-24 09:57:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2021-10-24 09:57:07,287 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2021-10-24 09:57:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:07,288 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2021-10-24 09:57:07,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-10-24 09:57:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 09:57:07,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:07,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 09:57:07,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 09:57:07,289 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:07,290 INFO L82 PathProgramCache]: Analyzing trace with hash 927505113, now seen corresponding path program 1 times [2021-10-24 09:57:07,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:07,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495729564] [2021-10-24 09:57:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:07,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:57:07,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495729564] [2021-10-24 09:57:07,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495729564] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:07,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:07,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 09:57:07,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457478424] [2021-10-24 09:57:07,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:07,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:57:07,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:07,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,315 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:07,347 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2021-10-24 09:57:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:07,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-24 09:57:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:07,349 INFO L225 Difference]: With dead ends: 66 [2021-10-24 09:57:07,349 INFO L226 Difference]: Without dead ends: 65 [2021-10-24 09:57:07,349 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:07,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-24 09:57:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2021-10-24 09:57:07,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.411764705882353) internal successors, (72), 56 states have internal predecessors, (72), 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) [2021-10-24 09:57:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2021-10-24 09:57:07,357 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2021-10-24 09:57:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:07,358 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2021-10-24 09:57:07,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-10-24 09:57:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-24 09:57:07,358 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:07,359 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:07,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 09:57:07,359 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-10-24 09:57:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:07,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1312112481, now seen corresponding path program 1 times [2021-10-24 09:57:07,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:57:07,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787275179] [2021-10-24 09:57:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:07,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:57:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:57:07,371 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:57:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:57:07,392 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 09:57:07,393 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:57:07,394 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 09:57:07,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 09:57:07,405 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:57:07,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:57:07 BoogieIcfgContainer [2021-10-24 09:57:07,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:57:07,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:57:07,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:57:07,428 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:57:07,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:06" (3/4) ... [2021-10-24 09:57:07,431 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 09:57:07,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:57:07,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:57:07,479 INFO L168 Benchmark]: Toolchain (without parser) took 1796.44 ms. Allocated memory is still 119.5 MB. Free memory was 82.0 MB in the beginning and 82.6 MB in the end (delta: -572.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:07,479 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 119.5 MB. Free memory is still 98.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:07,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.34 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 95.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:07,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.89 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:07,481 INFO L168 Benchmark]: Boogie Preprocessor took 39.45 ms. Allocated memory is still 119.5 MB. Free memory was 94.7 MB in the beginning and 93.9 MB in the end (delta: 840.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:07,481 INFO L168 Benchmark]: RCFGBuilder took 381.38 ms. Allocated memory is still 119.5 MB. Free memory was 93.9 MB in the beginning and 84.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:07,481 INFO L168 Benchmark]: TraceAbstraction took 1069.42 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 84.1 MB in the end (delta: -652.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:07,482 INFO L168 Benchmark]: Witness Printer took 49.63 ms. Allocated memory is still 119.5 MB. Free memory was 84.1 MB in the beginning and 82.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:07,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 119.5 MB. Free memory is still 98.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 202.34 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 95.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.89 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.45 ms. Allocated memory is still 119.5 MB. Free memory was 94.7 MB in the beginning and 93.9 MB in the end (delta: 840.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 381.38 ms. Allocated memory is still 119.5 MB. Free memory was 93.9 MB in the beginning and 84.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1069.42 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 84.1 MB in the end (delta: -652.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 49.63 ms. Allocated memory is still 119.5 MB. Free memory was 84.1 MB in the beginning and 82.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 957.8ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 11.4ms, AutomataDifference: 422.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 101 SDtfs, 121 SDslu, 40 SDs, 0 SdLazy, 166 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 218.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 62.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.4ms SsaConstructionTime, 59.3ms SatisfiabilityAnalysisTime, 141.9ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-24 09:57:07,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e69b9cb5-e9cd-41b4-9722-173f2e3998e6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...