./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/WhileTrue.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1 --- 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-6b4ec56 [2022-11-20 19:44:02,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:44:02,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:44:02,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:44:02,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:44:02,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:44:02,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:44:02,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:44:02,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:44:02,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:44:02,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:44:02,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:44:02,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:44:02,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:44:02,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:44:02,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:44:02,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:44:02,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:44:02,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:44:02,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:44:02,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:44:02,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:44:02,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:44:02,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:44:02,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:44:02,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:44:02,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:44:02,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:44:02,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:44:02,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:44:02,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:44:02,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:44:02,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:44:02,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:44:02,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:44:02,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:44:02,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:44:02,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:44:02,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:44:02,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:44:02,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:44:02,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 19:44:02,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:44:02,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:44:02,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:44:02,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:44:02,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:44:02,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:44:02,466 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:44:02,466 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:44:02,466 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:44:02,467 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:44:02,468 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:44:02,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:44:02,468 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:44:02,468 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:44:02,469 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:44:02,469 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:44:02,469 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:44:02,470 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:44:02,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:44:02,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:44:02,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:44:02,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:44:02,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:44:02,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:44:02,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:44:02,472 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:44:02,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:44:02,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:44:02,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:44:02,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:44:02,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:44:02,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:02,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:44:02,476 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:44:02,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:44:02,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:44:02,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:44:02,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:44:02,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:44:02,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:44:02,478 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_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1 [2022-11-20 19:44:02,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:44:02,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:44:02,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:44:02,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:44:02,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:44:02,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/termination-crafted/WhileTrue.c [2022-11-20 19:44:05,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:44:06,204 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:44:06,205 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/sv-benchmarks/c/termination-crafted/WhileTrue.c [2022-11-20 19:44:06,211 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/data/7e4346424/a4d9e7e6c1224a08a3360799fcf33ea0/FLAG455eb6e65 [2022-11-20 19:44:06,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/data/7e4346424/a4d9e7e6c1224a08a3360799fcf33ea0 [2022-11-20 19:44:06,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:44:06,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:44:06,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:06,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:44:06,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:44:06,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab841a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06, skipping insertion in model container [2022-11-20 19:44:06,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:44:06,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:44:06,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:06,417 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:44:06,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:06,441 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:44:06,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06 WrapperNode [2022-11-20 19:44:06,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:06,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:06,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:44:06,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:44:06,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,471 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8 [2022-11-20 19:44:06,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:06,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:44:06,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:44:06,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:44:06,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:44:06,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:44:06,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:44:06,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:44:06,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (1/1) ... [2022-11-20 19:44:06,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:06,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:44:06,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:44:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:44:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:44:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:44:06,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:44:06,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:44:06,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:44:06,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:44:06,735 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 19:44:06,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:06 BoogieIcfgContainer [2022-11-20 19:44:06,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:44:06,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:44:06,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:44:06,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:44:06,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:44:06" (1/3) ... [2022-11-20 19:44:06,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5946dfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:06, skipping insertion in model container [2022-11-20 19:44:06,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:06" (2/3) ... [2022-11-20 19:44:06,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5946dfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:06, skipping insertion in model container [2022-11-20 19:44:06,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:06" (3/3) ... [2022-11-20 19:44:06,751 INFO L112 eAbstractionObserver]: Analyzing ICFG WhileTrue.c [2022-11-20 19:44:06,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:44:06,772 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 19:44:06,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5946dfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:44:06, skipping insertion in model container [2022-11-20 19:44:06,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:44:06,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:44:06,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:44:06,776 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:44:06,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:06" (3/3) ... [2022-11-20 19:44:06,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:44:06,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 19:44:06,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 19:44:06,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:44:06,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:44:06,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:44:06,842 INFO L158 Benchmark]: Toolchain (without parser) took 612.80ms. Allocated memory is still 197.1MB. Free memory was 164.7MB in the beginning and 139.7MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,843 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:44:06,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.75ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 155.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 154.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,845 INFO L158 Benchmark]: Boogie Preprocessor took 21.32ms. Allocated memory is still 197.1MB. Free memory was 154.4MB in the beginning and 153.6MB in the end (delta: 784.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:44:06,846 INFO L158 Benchmark]: RCFGBuilder took 243.85ms. Allocated memory is still 197.1MB. Free memory was 152.9MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,846 INFO L158 Benchmark]: TraceAbstraction took 31.85ms. Allocated memory is still 197.1MB. Free memory was 143.9MB in the beginning and 141.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,847 INFO L158 Benchmark]: Witness Printer took 65.46ms. Allocated memory is still 197.1MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:06,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.75ms. Allocated memory is still 197.1MB. Free memory was 164.1MB in the beginning and 155.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 154.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.32ms. Allocated memory is still 197.1MB. Free memory was 154.4MB in the beginning and 153.6MB in the end (delta: 784.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.85ms. Allocated memory is still 197.1MB. Free memory was 152.9MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31.85ms. Allocated memory is still 197.1MB. Free memory was 143.9MB in the beginning and 141.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 65.46ms. Allocated memory is still 197.1MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 19:44:06,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df596404-5131-4ca1-870c-108e86a2a18c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE