./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 --- 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-38b53e6 [2022-11-25 15:39:31,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:39:31,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:39:31,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:39:31,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:39:31,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:39:31,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:39:31,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:39:31,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:39:31,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:39:31,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:39:31,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:39:31,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:39:31,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:39:31,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:39:31,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:39:31,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:39:31,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:39:31,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:39:31,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:39:31,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:39:31,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:39:31,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:39:31,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:39:31,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:39:31,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:39:31,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:39:31,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:39:31,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:39:31,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:39:31,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:39:31,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:39:31,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:39:31,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:39:31,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:39:31,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:39:31,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:39:31,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:39:31,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:39:31,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:39:31,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:39:31,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 15:39:31,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:39:31,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:39:31,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:39:31,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:39:31,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:39:31,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:39:31,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:39:31,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:39:31,511 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:39:31,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:39:31,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:39:31,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:39:31,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:39:31,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:39:31,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:39:31,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:39:31,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:39:31,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:39:31,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:39:31,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:39:31,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:39:31,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:39:31,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:39:31,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:39:31,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:39:31,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:39:31,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:39:31,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:39:31,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:39:31,523 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:39:31,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:39:31,524 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 [2022-11-25 15:39:31,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:39:31,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:39:31,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:39:31,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:39:31,887 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:39:31,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2022-11-25 15:39:34,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:39:35,281 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:39:35,286 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2022-11-25 15:39:35,301 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/data/7710a0465/9e82a711d0b541d18dfec5cd7a8eee16/FLAG7bcc1eef9 [2022-11-25 15:39:35,324 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/data/7710a0465/9e82a711d0b541d18dfec5cd7a8eee16 [2022-11-25 15:39:35,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:39:35,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:39:35,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:39:35,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:39:35,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:39:35,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772aa629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35, skipping insertion in model container [2022-11-25 15:39:35,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:39:35,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:39:35,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:39:35,697 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:39:35,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:39:35,798 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:39:35,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35 WrapperNode [2022-11-25 15:39:35,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:39:35,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:39:35,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:39:35,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:39:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,858 INFO L138 Inliner]: procedures = 116, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-25 15:39:35,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:39:35,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:39:35,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:39:35,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:39:35,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:39:35,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:39:35,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:39:35,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:39:35,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (1/1) ... [2022-11-25 15:39:35,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:39:35,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:39:35,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:39:35,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:39:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:39:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:39:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:39:36,111 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:39:36,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:39:36,240 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:39:36,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:39:36,247 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:39:36,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:36 BoogieIcfgContainer [2022-11-25 15:39:36,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:39:36,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:39:36,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:39:36,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:39:36,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:39:35" (1/3) ... [2022-11-25 15:39:36,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31734ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:39:36, skipping insertion in model container [2022-11-25 15:39:36,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:35" (2/3) ... [2022-11-25 15:39:36,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31734ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:39:36, skipping insertion in model container [2022-11-25 15:39:36,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:36" (3/3) ... [2022-11-25 15:39:36,258 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder1-alloca-1.i [2022-11-25 15:39:36,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:39:36,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 15:39:36,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:39:36,402 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25644ebe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:39:36,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 15:39:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 15:39:36,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:39:36,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:36,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 15:39:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:36,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971307, now seen corresponding path program 1 times [2022-11-25 15:39:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:36,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432125531] [2022-11-25 15:39:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:36,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:39:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432125531] [2022-11-25 15:39:36,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432125531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:39:36,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:39:36,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:39:36,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960236736] [2022-11-25 15:39:36,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:39:36,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:39:36,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:39:36,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:39:36,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:39:36,975 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:39:37,057 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2022-11-25 15:39:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:39:37,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 15:39:37,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:39:37,070 INFO L225 Difference]: With dead ends: 64 [2022-11-25 15:39:37,070 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 15:39:37,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:39:37,085 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:39:37,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 65 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:39:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 15:39:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2022-11-25 15:39:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-11-25 15:39:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-25 15:39:37,160 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2022-11-25 15:39:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:39:37,160 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-25 15:39:37,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-25 15:39:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 15:39:37,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:39:37,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:37,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:39:37,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 15:39:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash 119484276, now seen corresponding path program 1 times [2022-11-25 15:39:37,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:37,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959889933] [2022-11-25 15:39:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:37,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:39:37,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959889933] [2022-11-25 15:39:37,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959889933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:39:37,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:39:37,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:39:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806988145] [2022-11-25 15:39:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:39:37,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:39:37,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:39:37,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:39:37,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:39:37,344 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:39:37,381 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-25 15:39:37,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:39:37,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 15:39:37,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:39:37,384 INFO L225 Difference]: With dead ends: 36 [2022-11-25 15:39:37,384 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 15:39:37,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:39:37,388 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 25 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:39:37,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 32 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:39:37,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 15:39:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 15:39:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 24 states have internal predecessors, (27), 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) [2022-11-25 15:39:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-25 15:39:37,401 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 8 [2022-11-25 15:39:37,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:39:37,402 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-25 15:39:37,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-25 15:39:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:39:37,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:39:37,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:37,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:39:37,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 15:39:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash 560852455, now seen corresponding path program 1 times [2022-11-25 15:39:37,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:37,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241978342] [2022-11-25 15:39:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:37,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:39:37,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241978342] [2022-11-25 15:39:37,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241978342] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:39:37,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246720744] [2022-11-25 15:39:37,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:37,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:39:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:39:37,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:39:37,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:39:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:37,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:39:37,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:39:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:37,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:39:37,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246720744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:39:37,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:39:37,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-11-25 15:39:37,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637467847] [2022-11-25 15:39:37,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:39:37,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:39:37,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:39:37,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:39:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:39:37,823 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:39:37,869 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-11-25 15:39:37,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:39:37,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 15:39:37,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:39:37,871 INFO L225 Difference]: With dead ends: 59 [2022-11-25 15:39:37,871 INFO L226 Difference]: Without dead ends: 42 [2022-11-25 15:39:37,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:39:37,873 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 38 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:39:37,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 42 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:39:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-25 15:39:37,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2022-11-25 15:39:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.32) internal successors, (33), 30 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) [2022-11-25 15:39:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-25 15:39:37,880 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 11 [2022-11-25 15:39:37,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:39:37,880 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-25 15:39:37,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-25 15:39:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:39:37,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:39:37,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:37,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:39:38,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:39:38,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 15:39:38,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:38,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1240910825, now seen corresponding path program 1 times [2022-11-25 15:39:38,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:38,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063038578] [2022-11-25 15:39:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:38,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:38,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:39:38,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063038578] [2022-11-25 15:39:38,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063038578] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:39:38,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231771054] [2022-11-25 15:39:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:38,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:39:38,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:39:38,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:39:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:39:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:39:38,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:39:38,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:39:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:39:38,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:39:38,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231771054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:39:38,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:39:38,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 15:39:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519575125] [2022-11-25 15:39:38,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:39:38,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:39:38,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:39:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:39:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:39:38,362 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:39:38,430 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-11-25 15:39:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:39:38,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 15:39:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:39:38,433 INFO L225 Difference]: With dead ends: 31 [2022-11-25 15:39:38,433 INFO L226 Difference]: Without dead ends: 30 [2022-11-25 15:39:38,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:39:38,440 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:39:38,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 37 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:39:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-25 15:39:38,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-25 15:39:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.28) internal successors, (32), 29 states have internal predecessors, (32), 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) [2022-11-25 15:39:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-25 15:39:38,457 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 11 [2022-11-25 15:39:38,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:39:38,458 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-25 15:39:38,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:39:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-25 15:39:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:39:38,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:39:38,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:39:38,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 15:39:38,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-25 15:39:38,665 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 15:39:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:39:38,666 INFO L85 PathProgramCache]: Analyzing trace with hash 206505528, now seen corresponding path program 1 times [2022-11-25 15:39:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:39:38,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720985172] [2022-11-25 15:39:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:39:38,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:39:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:38,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:38,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:39:38,763 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:39:38,764 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 15:39:38,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 15:39:38,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 15:39:38,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 15:39:38,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 15:39:38,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 15:39:38,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:39:38,778 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 15:39:38,782 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:39:38,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:39:38 BoogieIcfgContainer [2022-11-25 15:39:38,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:39:38,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:39:38,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:39:38,815 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:39:38,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:36" (3/4) ... [2022-11-25 15:39:38,818 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:39:38,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:39:38,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:39:38,882 INFO L158 Benchmark]: Toolchain (without parser) took 3552.67ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 114.4MB in the beginning and 133.9MB in the end (delta: -19.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,882 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 146.8MB. Free memory was 119.7MB in the beginning and 119.6MB in the end (delta: 99.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:39:38,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.65ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 98.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.95ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,883 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,883 INFO L158 Benchmark]: RCFGBuilder took 358.53ms. Allocated memory is still 146.8MB. Free memory was 94.9MB in the beginning and 83.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,884 INFO L158 Benchmark]: TraceAbstraction took 2563.00ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 83.3MB in the beginning and 136.0MB in the end (delta: -52.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,884 INFO L158 Benchmark]: Witness Printer took 66.45ms. Allocated memory is still 220.2MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:38,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 146.8MB. Free memory was 119.7MB in the beginning and 119.6MB in the end (delta: 99.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.65ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 98.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.95ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.53ms. Allocated memory is still 146.8MB. Free memory was 94.9MB in the beginning and 83.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2563.00ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 83.3MB in the beginning and 136.0MB in the end (delta: -52.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 66.45ms. Allocated memory is still 220.2MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 520]: integer overflow possible integer overflow possible We found a FailurePath: [L525] int array_size = __VERIFIER_nondet_int(); [L526] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L527] array_size = 1 VAL [array_size=1] [L529] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L531] int i = 0; VAL [__builtin_alloca (array_size * sizeof(int))={3:0}, array_size=1, i=0, numbers={3:0}] [L531] COND TRUE i < array_size [L533] numbers[i] = __VERIFIER_nondet_int() [L531] i++ VAL [__builtin_alloca (array_size * sizeof(int))={3:0}, array_size=1, i=1, numbers={3:0}] [L531] COND FALSE !(i < array_size) VAL [__builtin_alloca (array_size * sizeof(int))={3:0}, array_size=1, i=1, numbers={3:0}] [L535] CALL sumOfThirdBytes(numbers, array_size) [L514] int i, sum; [L515] char* p; [L516] sum = 0 [L517] i = 0 VAL [\old(array_size)=1, array_size=1, i=0, numbers={3:0}, numbers={3:0}, sum=0] [L517] COND TRUE i < array_size [L518] p = &(numbers[i]) [L519] p = p + 2 [L520] EXPR \read(*p) VAL [\old(array_size)=1, \read(*p)=-2147483649, array_size=1, i=0, numbers={3:0}, numbers={3:0}, p={3:2}, sum=0] [L520] sum + *p VAL [\old(array_size)=1, \read(*p)=-2147483649, array_size=1, i=0, numbers={3:0}, numbers={3:0}, p={3:2}, sum=0] - UnprovableResult [Line: 531]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 531]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 517]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 517]: 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, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 73 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 5 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 6/12 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! [2022-11-25 15:39:38,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafb6bdb-08ea-4bb0-996e-c7b419f79dfb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)