./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/terminator_02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/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_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/terminator_02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/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_65543ddc-f430-48c1-be53-702482779e43/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 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b --- 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 16:41:54,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:41:54,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:41:54,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:41:54,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:41:54,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:41:54,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:41:54,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:41:54,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:41:54,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:41:54,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:41:54,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:41:54,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:41:54,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:41:54,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:41:54,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:41:54,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:41:54,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:41:54,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:41:54,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:41:54,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:41:54,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:41:54,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:41:54,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:41:54,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:41:54,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:41:54,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:41:54,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:41:54,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:41:54,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:41:54,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:41:54,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:41:54,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:41:54,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:41:54,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:41:54,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:41:54,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:41:54,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:41:54,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:41:54,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:41:54,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:41:54,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 16:41:54,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:41:54,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:41:54,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:41:54,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:41:54,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:41:54,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:41:54,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:41:54,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:41:54,640 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:41:54,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:41:54,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:41:54,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:41:54,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:41:54,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:41:54,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:41:54,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:41:54,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:41:54,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:41:54,642 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:41:54,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:41:54,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:41:54,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:41:54,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:41:54,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:41:54,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:41:54,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:41:54,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:54,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:41:54,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:41:54,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:41:54,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:41:54,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:41:54,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:41:54,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:41:54,646 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:41:54,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:41:54,646 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_65543ddc-f430-48c1-be53-702482779e43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b [2022-11-25 16:41:54,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:41:55,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:41:55,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:41:55,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:41:55,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:41:55,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/loops/terminator_02-1.c [2022-11-25 16:41:57,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:41:58,217 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:41:58,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/sv-benchmarks/c/loops/terminator_02-1.c [2022-11-25 16:41:58,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/data/85e6dbdd7/3db5f469685445b3a67c137c9f4f0450/FLAGbd6e520d0 [2022-11-25 16:41:58,250 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/data/85e6dbdd7/3db5f469685445b3a67c137c9f4f0450 [2022-11-25 16:41:58,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:41:58,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:41:58,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:58,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:41:58,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:41:58,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316046f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58, skipping insertion in model container [2022-11-25 16:41:58,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:41:58,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:41:58,445 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_65543ddc-f430-48c1-be53-702482779e43/sv-benchmarks/c/loops/terminator_02-1.c[327,340] [2022-11-25 16:41:58,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:58,469 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:41:58,481 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_65543ddc-f430-48c1-be53-702482779e43/sv-benchmarks/c/loops/terminator_02-1.c[327,340] [2022-11-25 16:41:58,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:58,497 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:41:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58 WrapperNode [2022-11-25 16:41:58,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:58,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:58,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:41:58,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:41:58,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,536 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-25 16:41:58,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:58,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:41:58,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:41:58,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:41:58,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:41:58,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:41:58,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:41:58,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:41:58,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2022-11-25 16:41:58,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:58,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:41:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:41:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:41:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:41:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:41:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:41:58,718 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:41:58,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:41:58,917 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:41:58,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:41:58,924 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:41:58,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58 BoogieIcfgContainer [2022-11-25 16:41:58,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:41:58,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:41:58,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:41:58,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:41:58,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:41:58" (1/3) ... [2022-11-25 16:41:58,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ea672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:58, skipping insertion in model container [2022-11-25 16:41:58,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (2/3) ... [2022-11-25 16:41:58,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ea672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:58, skipping insertion in model container [2022-11-25 16:41:58,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58" (3/3) ... [2022-11-25 16:41:58,935 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2022-11-25 16:41:58,956 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:41:58,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 16:41:59,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:41:59,036 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;@4cfa7494, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:41:59,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 16:41:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.625) internal successors, (26), 22 states have internal predecessors, (26), 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 16:41:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:41:59,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:59,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:41:59,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:41:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:59,064 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2022-11-25 16:41:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:59,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961599638] [2022-11-25 16:41:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:59,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:41:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:59,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:41:59,346 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:41:59,348 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 16:41:59,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 16:41:59,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 16:41:59,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 16:41:59,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 16:41:59,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 16:41:59,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:41:59,359 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:41:59,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:41:59,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:41:59 BoogieIcfgContainer [2022-11-25 16:41:59,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:41:59,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:41:59,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:41:59,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:41:59,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58" (3/4) ... [2022-11-25 16:41:59,403 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 16:41:59,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65543ddc-f430-48c1-be53-702482779e43/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:41:59,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:41:59,457 INFO L158 Benchmark]: Toolchain (without parser) took 1200.65ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 78.3MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,457 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 151.0MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:59,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.79ms. Allocated memory is still 151.0MB. Free memory was 117.6MB in the beginning and 107.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 151.0MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,468 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:59,468 INFO L158 Benchmark]: RCFGBuilder took 351.21ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 94.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,474 INFO L158 Benchmark]: TraceAbstraction took 465.11ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 79.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,476 INFO L158 Benchmark]: Witness Printer took 59.40ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 151.0MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.79ms. Allocated memory is still 151.0MB. Free memory was 117.6MB in the beginning and 107.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 151.0MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.21ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 94.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 465.11ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 79.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 59.40ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int x=__VERIFIER_nondet_int(); [L17] int y=__VERIFIER_nondet_int(); [L18] int z=__VERIFIER_nondet_int(); [L20] COND TRUE x<100 && 100