./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 --- 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-b5237d8 [2022-11-22 02:08:06,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:08:06,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:08:06,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:08:06,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:08:06,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:08:06,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:08:06,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:08:06,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:08:06,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:08:06,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:08:06,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:08:06,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:08:06,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:08:06,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:08:06,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:08:06,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:08:06,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:08:06,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:08:06,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:08:06,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:08:06,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:08:06,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:08:06,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:08:06,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:08:06,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:08:06,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:08:06,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:08:06,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:08:06,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:08:06,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:08:06,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:08:06,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:08:06,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:08:06,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:08:06,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:08:06,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:08:06,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:08:06,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:08:06,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:08:06,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:08:06,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:08:06,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:08:06,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:08:06,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:08:06,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:08:06,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:08:06,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:08:06,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:08:06,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:08:06,420 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:08:06,420 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:08:06,420 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:08:06,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:08:06,421 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:08:06,421 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:08:06,421 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:08:06,422 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:08:06,422 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:08:06,422 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:08:06,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:08:06,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:08:06,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:08:06,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:08:06,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:08:06,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:08:06,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:08:06,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:08:06,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:08:06,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:08:06,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:08:06,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:08:06,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:08:06,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:08:06,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:08:06,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:08:06,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:08:06,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:08:06,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:08:06,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:08:06,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:08:06,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:08:06,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:08:06,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:08:06,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:08:06,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 [2022-11-22 02:08:06,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:08:06,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:08:06,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:08:06,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:08:06,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:08:06,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-11-22 02:08:09,849 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:08:10,065 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:08:10,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-11-22 02:08:10,075 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/data/f54421d22/6212b0263bc44936af3cc31ddcdfe482/FLAG4719394ba [2022-11-22 02:08:10,089 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/data/f54421d22/6212b0263bc44936af3cc31ddcdfe482 [2022-11-22 02:08:10,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:08:10,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:08:10,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:08:10,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:08:10,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:08:10,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a02e393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10, skipping insertion in model container [2022-11-22 02:08:10,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:08:10,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:08:10,496 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_bf91ccb6-fdef-449b-a033-28eae4ca15dc/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-11-22 02:08:10,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:08:10,511 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:08:10,613 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_bf91ccb6-fdef-449b-a033-28eae4ca15dc/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-11-22 02:08:10,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:08:10,644 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:08:10,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10 WrapperNode [2022-11-22 02:08:10,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:08:10,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:08:10,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:08:10,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:08:10,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,735 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2022-11-22 02:08:10,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:08:10,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:08:10,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:08:10,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:08:10,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:08:10,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:08:10,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:08:10,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:08:10,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (1/1) ... [2022-11-22 02:08:10,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:08:10,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:08:10,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:08:10,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:08:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:08:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:08:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-11-22 02:08:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-11-22 02:08:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:08:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:08:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:08:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:08:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:08:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-11-22 02:08:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:08:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-11-22 02:08:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-11-22 02:08:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:08:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:08:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:08:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-11-22 02:08:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-11-22 02:08:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:08:11,144 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:08:11,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:08:11,782 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:08:12,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:08:12,021 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 02:08:12,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:12 BoogieIcfgContainer [2022-11-22 02:08:12,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:08:12,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:08:12,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:08:12,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:08:12,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:08:10" (1/3) ... [2022-11-22 02:08:12,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8ef28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:12, skipping insertion in model container [2022-11-22 02:08:12,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:10" (2/3) ... [2022-11-22 02:08:12,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8ef28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:12, skipping insertion in model container [2022-11-22 02:08:12,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:12" (3/3) ... [2022-11-22 02:08:12,039 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-11-22 02:08:12,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:08:12,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 02:08:12,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:08:12,119 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20e5cade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:08:12,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-22 02:08:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-22 02:08:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:08:12,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:12,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:08:12,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 02:08:12,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:12,142 INFO L85 PathProgramCache]: Analyzing trace with hash 12388342, now seen corresponding path program 1 times [2022-11-22 02:08:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:12,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037251208] [2022-11-22 02:08:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:12,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:08:12,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:12,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037251208] [2022-11-22 02:08:12,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037251208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:12,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:12,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:08:12,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621995847] [2022-11-22 02:08:12,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:12,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:08:12,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:12,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:08:12,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:08:12,584 INFO L87 Difference]: Start difference. First operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:08:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:12,657 INFO L93 Difference]: Finished difference Result 120 states and 183 transitions. [2022-11-22 02:08:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:08:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 02:08:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:12,665 INFO L225 Difference]: With dead ends: 120 [2022-11-22 02:08:12,665 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:08:12,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:08:12,673 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:12,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:08:12,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:08:12,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:08:12,697 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) [2022-11-22 02:08:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:08:12,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-11-22 02:08:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:12,699 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:08:12,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:08:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:08:12,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:08:12,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-22 02:08:12,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-22 02:08:12,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-22 02:08:12,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-22 02:08:12,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:08:12,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:08:12,747 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-11-22 02:08:12,747 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-11-22 02:08:12,748 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-11-22 02:08:12,748 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-11-22 02:08:12,748 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-11-22 02:08:12,748 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-11-22 02:08:12,748 INFO L902 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-11-22 02:08:12,749 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-11-22 02:08:12,749 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-11-22 02:08:12,750 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-11-22 02:08:12,750 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-11-22 02:08:12,750 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-11-22 02:08:12,750 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-11-22 02:08:12,750 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-11-22 02:08:12,750 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-11-22 02:08:12,751 INFO L902 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: true [2022-11-22 02:08:12,751 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-11-22 02:08:12,751 INFO L902 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-11-22 02:08:12,751 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-11-22 02:08:12,751 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-11-22 02:08:12,751 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-11-22 02:08:12,752 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-11-22 02:08:12,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-11-22 02:08:12,752 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-11-22 02:08:12,752 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-11-22 02:08:12,752 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-11-22 02:08:12,752 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-11-22 02:08:12,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-11-22 02:08:12,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:08:12,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-11-22 02:08:12,753 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-11-22 02:08:12,753 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-11-22 02:08:12,753 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-11-22 02:08:12,754 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-11-22 02:08:12,754 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-11-22 02:08:12,754 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-11-22 02:08:12,754 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-11-22 02:08:12,754 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-11-22 02:08:12,754 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-11-22 02:08:12,755 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2022-11-22 02:08:12,755 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2022-11-22 02:08:12,755 INFO L902 garLoopResultBuilder]: At program point L378-2(line 378) the Hoare annotation is: true [2022-11-22 02:08:12,755 INFO L899 garLoopResultBuilder]: For program point L378-3(lines 378 381) no Hoare annotation was computed. [2022-11-22 02:08:12,755 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-11-22 02:08:12,755 INFO L902 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: true [2022-11-22 02:08:12,755 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2022-11-22 02:08:12,756 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-11-22 02:08:12,756 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-11-22 02:08:12,756 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-11-22 02:08:12,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:08:12,756 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-11-22 02:08:12,756 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-11-22 02:08:12,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-11-22 02:08:12,757 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-11-22 02:08:12,757 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-11-22 02:08:12,757 INFO L902 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: true [2022-11-22 02:08:12,757 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-11-22 02:08:12,757 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-11-22 02:08:12,758 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-11-22 02:08:12,758 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-11-22 02:08:12,761 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:08:12,764 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:08:12,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:08:12 BoogieIcfgContainer [2022-11-22 02:08:12,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:08:12,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:08:12,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:08:12,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:08:12,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:12" (3/4) ... [2022-11-22 02:08:12,777 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:08:12,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2022-11-22 02:08:12,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-11-22 02:08:12,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2022-11-22 02:08:12,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2022-11-22 02:08:12,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-22 02:08:12,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-22 02:08:12,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 02:08:12,796 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:08:12,797 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:08:12,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:08:12,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:08:12,888 INFO L158 Benchmark]: Toolchain (without parser) took 2794.89ms. Allocated memory is still 167.8MB. Free memory was 126.1MB in the beginning and 103.8MB in the end (delta: 22.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,889 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:08:12,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.42ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 108.5MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.33ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 105.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,890 INFO L158 Benchmark]: Boogie Preprocessor took 108.54ms. Allocated memory is still 167.8MB. Free memory was 105.1MB in the beginning and 101.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,890 INFO L158 Benchmark]: RCFGBuilder took 1177.85ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 86.5MB in the end (delta: 15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,891 INFO L158 Benchmark]: TraceAbstraction took 742.57ms. Allocated memory is still 167.8MB. Free memory was 85.8MB in the beginning and 112.2MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:08:12,891 INFO L158 Benchmark]: Witness Printer took 114.23ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 103.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 02:08:12,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.42ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 108.5MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.33ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 105.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.54ms. Allocated memory is still 167.8MB. Free memory was 105.1MB in the beginning and 101.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1177.85ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 86.5MB in the end (delta: 15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 742.57ms. Allocated memory is still 167.8MB. Free memory was 85.8MB in the beginning and 112.2MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.23ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 103.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: 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 4 procedures, 65 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 70 PreInvPairs, 83 NumberOfFragments, 25 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 02:08:12,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf91ccb6-fdef-449b-a033-28eae4ca15dc/bin/utaipan-g80aRyZoba/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