./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/bary_diverge.c --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_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/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_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/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_b7717620-29e2-42a2-a368-6bd10e274753/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 b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- 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 15:50:08,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:50:08,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:50:08,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:50:08,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:50:08,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:50:08,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:50:08,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:50:08,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:50:08,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:50:08,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:50:08,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:50:08,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:50:08,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:50:08,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:50:08,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:50:08,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:50:08,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:50:08,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:50:08,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:50:08,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:50:08,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:50:08,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:50:08,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:50:08,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:50:08,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:50:08,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:50:08,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:50:08,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:50:08,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:50:08,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:50:08,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:50:08,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:50:08,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:50:08,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:50:08,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:50:08,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:50:08,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:50:08,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:50:08,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:50:08,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:50:08,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 15:50:08,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:50:08,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:50:08,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:50:08,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:50:08,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:50:08,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:50:08,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:50:08,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:50:08,565 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:50:08,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:50:08,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:50:08,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:50:08,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:50:08,567 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:50:08,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:50:08,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:50:08,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:50:08,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:50:08,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:50:08,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:50:08,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:50:08,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:50:08,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:50:08,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:50:08,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:50:08,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:50:08,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:50:08,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:50:08,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:50:08,571 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:50:08,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:50:08,571 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_b7717620-29e2-42a2-a368-6bd10e274753/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2022-11-25 15:50:08,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:50:08,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:50:08,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:50:08,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:50:08,967 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:50:08,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/float-benchs/bary_diverge.c [2022-11-25 15:50:12,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:50:12,256 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:50:12,256 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/sv-benchmarks/c/float-benchs/bary_diverge.c [2022-11-25 15:50:12,263 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/data/38113474a/0b48650eea4c4da5bb012fcc088cdc65/FLAG1bbd20a69 [2022-11-25 15:50:12,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/data/38113474a/0b48650eea4c4da5bb012fcc088cdc65 [2022-11-25 15:50:12,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:50:12,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:50:12,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:50:12,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:50:12,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:50:12,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b423302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12, skipping insertion in model container [2022-11-25 15:50:12,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:50:12,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:50:12,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2022-11-25 15:50:12,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:50:12,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:50:12,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2022-11-25 15:50:12,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:50:12,597 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:50:12,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12 WrapperNode [2022-11-25 15:50:12,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:50:12,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:50:12,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:50:12,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:50:12,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,636 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2022-11-25 15:50:12,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:50:12,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:50:12,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:50:12,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:50:12,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:50:12,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:50:12,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:50:12,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:50:12,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (1/1) ... [2022-11-25 15:50:12,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:50:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:12,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:50:12,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:50:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:50:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2022-11-25 15:50:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2022-11-25 15:50:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:50:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:50:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:50:12,820 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:50:12,822 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:50:12,959 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:50:12,965 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:50:12,966 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:50:12,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:12 BoogieIcfgContainer [2022-11-25 15:50:12,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:50:12,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:50:12,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:50:12,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:50:12,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:50:12" (1/3) ... [2022-11-25 15:50:12,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ea5296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:50:12, skipping insertion in model container [2022-11-25 15:50:12,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:12" (2/3) ... [2022-11-25 15:50:12,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ea5296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:50:12, skipping insertion in model container [2022-11-25 15:50:12,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:12" (3/3) ... [2022-11-25 15:50:12,978 INFO L112 eAbstractionObserver]: Analyzing ICFG bary_diverge.c [2022-11-25 15:50:12,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:50:12,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:50:13,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:50:13,093 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;@218d40d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:50:13,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:50:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 28 states have internal predecessors, (34), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 15:50:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 15:50:13,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:13,116 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:13,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:50:13,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:13,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1308491619, now seen corresponding path program 1 times [2022-11-25 15:50:13,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:13,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300275247] [2022-11-25 15:50:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 15:50:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 15:50:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 15:50:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 15:50:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-25 15:50:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:13,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300275247] [2022-11-25 15:50:13,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300275247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:13,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:50:13,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:50:13,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729977211] [2022-11-25 15:50:13,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:13,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:50:13,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:13,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:50:13,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:50:13,539 INFO L87 Difference]: Start difference. First operand has 35 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 28 states have internal predecessors, (34), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 15:50:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:13,577 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2022-11-25 15:50:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:50:13,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2022-11-25 15:50:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:13,596 INFO L225 Difference]: With dead ends: 67 [2022-11-25 15:50:13,597 INFO L226 Difference]: Without dead ends: 30 [2022-11-25 15:50:13,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:50:13,608 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:13,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:50:13,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-25 15:50:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-25 15:50:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 15:50:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-25 15:50:13,657 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 47 [2022-11-25 15:50:13,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:13,657 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-25 15:50:13,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 15:50:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-25 15:50:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 15:50:13,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:13,662 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:13,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:50:13,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:50:13,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:13,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1853624031, now seen corresponding path program 1 times [2022-11-25 15:50:13,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:13,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087120758] [2022-11-25 15:50:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:13,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 15:50:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 15:50:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 15:50:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 15:50:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-25 15:50:13,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:13,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087120758] [2022-11-25 15:50:13,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087120758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:13,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:50:13,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:50:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460280780] [2022-11-25 15:50:13,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:13,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:50:13,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:13,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:50:13,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:50:13,986 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 15:50:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:14,027 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-25 15:50:14,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:50:14,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2022-11-25 15:50:14,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:14,029 INFO L225 Difference]: With dead ends: 49 [2022-11-25 15:50:14,029 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 15:50:14,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 15:50:14,031 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:14,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:50:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 15:50:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-25 15:50:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 37 states have internal predecessors, (42), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:50:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2022-11-25 15:50:14,041 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 47 [2022-11-25 15:50:14,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:14,042 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-11-25 15:50:14,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 15:50:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-25 15:50:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 15:50:14,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:14,045 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:14,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:50:14,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:50:14,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:14,046 INFO L85 PathProgramCache]: Analyzing trace with hash -636952310, now seen corresponding path program 1 times [2022-11-25 15:50:14,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:14,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339213211] [2022-11-25 15:50:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:14,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 15:50:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 15:50:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 15:50:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 15:50:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 15:50:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 15:50:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 15:50:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-25 15:50:14,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:14,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339213211] [2022-11-25 15:50:14,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339213211] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:50:14,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741634565] [2022-11-25 15:50:14,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:14,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:14,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:50:14,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:50:14,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:50:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:14,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:50:14,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:50:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-25 15:50:14,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:50:14,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741634565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:14,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:50:14,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 15:50:14,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725973573] [2022-11-25 15:50:14,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:14,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:50:14,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:50:14,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:50:14,685 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 15:50:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:14,745 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2022-11-25 15:50:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:50:14,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2022-11-25 15:50:14,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:14,750 INFO L225 Difference]: With dead ends: 47 [2022-11-25 15:50:14,750 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 15:50:14,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 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 15:50:14,752 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 12 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:14,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 139 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:50:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 15:50:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-25 15:50:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 15:50:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-11-25 15:50:14,762 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 79 [2022-11-25 15:50:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:14,762 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-11-25 15:50:14,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 15:50:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-25 15:50:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 15:50:14,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:50:14,765 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:50:14,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:50:14,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:50:14,972 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:50:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:50:14,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1729314962, now seen corresponding path program 1 times [2022-11-25 15:50:14,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:50:14,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414849112] [2022-11-25 15:50:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:50:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:50:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:50:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 15:50:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 15:50:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 15:50:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 15:50:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 15:50:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 15:50:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 15:50:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:50:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-25 15:50:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:50:15,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414849112] [2022-11-25 15:50:15,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414849112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:50:15,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:50:15,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:50:15,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413781325] [2022-11-25 15:50:15,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:50:15,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:50:15,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:50:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:50:15,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:50:15,191 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:50:15,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:50:15,217 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2022-11-25 15:50:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:50:15,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2022-11-25 15:50:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:50:15,219 INFO L225 Difference]: With dead ends: 46 [2022-11-25 15:50:15,219 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:50:15,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 15:50:15,221 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:50:15,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 72 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:50:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:50:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:50:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:50:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:50:15,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2022-11-25 15:50:15,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:50:15,224 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:50:15,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 15:50:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:50:15,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:50:15,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:50:15,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:50:15,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:50:15,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:50:15,286 INFO L899 garLoopResultBuilder]: For program point RANDOM_INPUTFINAL(lines 22 28) no Hoare annotation was computed. [2022-11-25 15:50:15,286 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-25 15:50:15,286 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2022-11-25 15:50:15,287 INFO L902 garLoopResultBuilder]: At program point RANDOM_INPUTENTRY(lines 22 28) the Hoare annotation is: true [2022-11-25 15:50:15,287 INFO L899 garLoopResultBuilder]: For program point RANDOM_INPUTEXIT(lines 22 28) no Hoare annotation was computed. [2022-11-25 15:50:15,288 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 3599999))) [2022-11-25 15:50:15,288 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-11-25 15:50:15,288 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 39) no Hoare annotation was computed. [2022-11-25 15:50:15,288 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 33 51) no Hoare annotation was computed. [2022-11-25 15:50:15,288 INFO L895 garLoopResultBuilder]: At program point L65(line 65) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 3599999))) [2022-11-25 15:50:15,289 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 51) no Hoare annotation was computed. [2022-11-25 15:50:15,289 INFO L899 garLoopResultBuilder]: For program point L65-1(line 65) no Hoare annotation was computed. [2022-11-25 15:50:15,289 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:50:15,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 15:50:15,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:50:15,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:50:15,290 INFO L899 garLoopResultBuilder]: For program point L61-2(lines 61 67) no Hoare annotation was computed. [2022-11-25 15:50:15,290 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-11-25 15:50:15,291 INFO L899 garLoopResultBuilder]: For program point L61-4(line 61) no Hoare annotation was computed. [2022-11-25 15:50:15,291 INFO L895 garLoopResultBuilder]: At program point L61-5(lines 61 67) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-25 15:50:15,291 INFO L899 garLoopResultBuilder]: For program point L61-6(lines 61 67) no Hoare annotation was computed. [2022-11-25 15:50:15,291 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 41 48) no Hoare annotation was computed. [2022-11-25 15:50:15,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 15:50:15,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:50:15,297 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-25 15:50:15,301 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-25 15:50:15,301 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 3599999))) [2022-11-25 15:50:15,301 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2022-11-25 15:50:15,301 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-11-25 15:50:15,301 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2022-11-25 15:50:15,302 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-25 15:50:15,303 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-25 15:50:15,303 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-11-25 15:50:15,303 INFO L895 garLoopResultBuilder]: At program point L14-3(line 14) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 3599999))) [2022-11-25 15:50:15,304 INFO L902 garLoopResultBuilder]: At program point L68(lines 53 69) the Hoare annotation is: true [2022-11-25 15:50:15,307 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 15:50:15,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:50:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:50:15 BoogieIcfgContainer [2022-11-25 15:50:15,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:50:15,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:50:15,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:50:15,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:50:15,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:12" (3/4) ... [2022-11-25 15:50:15,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:50:15,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure RANDOM_INPUT [2022-11-25 15:50:15,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 15:50:15,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 15:50:15,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:50:15,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:50:15,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:50:15,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:50:15,406 INFO L158 Benchmark]: Toolchain (without parser) took 3120.09ms. Allocated memory is still 146.8MB. Free memory was 109.1MB in the beginning and 58.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,406 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:50:15,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.99ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 112.8MB in the end (delta: -4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.09ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 110.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,407 INFO L158 Benchmark]: Boogie Preprocessor took 22.88ms. Allocated memory is still 146.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,408 INFO L158 Benchmark]: RCFGBuilder took 308.00ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 98.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,408 INFO L158 Benchmark]: TraceAbstraction took 2361.44ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 61.9MB in the end (delta: 35.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,408 INFO L158 Benchmark]: Witness Printer took 72.96ms. Allocated memory is still 146.8MB. Free memory was 61.9MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:50:15,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.99ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 112.8MB in the end (delta: -4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.09ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 110.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.88ms. Allocated memory is still 146.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.00ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 98.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2361.44ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 61.9MB in the end (delta: 35.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 72.96ms. Allocated memory is still 146.8MB. Free memory was 61.9MB in the beginning and 58.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 154 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 20 PreInvPairs, 32 NumberOfFragments, 55 HoareAnnotationTreeSize, 20 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 2 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 553/569 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: i == 0 || (1 <= i && i <= 3599999) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i RESULT: Ultimate proved your program to be correct! [2022-11-25 15:50:15,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7717620-29e2-42a2-a368-6bd10e274753/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 Result: TRUE