./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0 --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 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 --- 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-e04fb08 [2022-11-16 19:37:48,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:37:48,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:37:48,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:37:48,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:37:48,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:37:48,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:37:48,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:37:48,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:37:48,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:37:48,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:37:48,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:37:48,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:37:48,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:37:48,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:37:48,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:37:48,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:37:48,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:37:48,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:37:48,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:37:48,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:37:48,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:37:48,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:37:48,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:37:48,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:37:48,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:37:48,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:37:48,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:37:48,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:37:48,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:37:48,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:37:48,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:37:48,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:37:48,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:37:48,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:37:48,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:37:48,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:37:48,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:37:48,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:37:48,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:37:48,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:37:48,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 19:37:48,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:37:48,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:37:48,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:37:48,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:37:48,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:37:48,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:37:48,730 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:37:48,731 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:37:48,731 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:37:48,731 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:37:48,732 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:37:48,733 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:37:48,733 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:37:48,733 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:37:48,734 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:37:48,734 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:37:48,734 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:37:48,735 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:37:48,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:37:48,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:37:48,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:37:48,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:37:48,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:37:48,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:37:48,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:37:48,739 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:37:48,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:37:48,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:37:48,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:37:48,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:37:48,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:37:48,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:37:48,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:37:48,742 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:37:48,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:37:48,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:37:48,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:37:48,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:37:48,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:37:48,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:37:48,744 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_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 [2022-11-16 19:37:49,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:37:49,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:37:49,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:37:49,087 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:37:49,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:37:49,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2022-11-16 19:37:49,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/data/3589f4718/b61587a47d7146d8a72aa6a06b45d8ea/FLAG10d1cb0f6 [2022-11-16 19:37:49,707 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:37:49,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2022-11-16 19:37:49,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/data/3589f4718/b61587a47d7146d8a72aa6a06b45d8ea/FLAG10d1cb0f6 [2022-11-16 19:37:50,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/data/3589f4718/b61587a47d7146d8a72aa6a06b45d8ea [2022-11-16 19:37:50,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:37:50,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:37:50,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:37:50,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:37:50,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:37:50,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660af6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50, skipping insertion in model container [2022-11-16 19:37:50,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:37:50,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:37:50,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:37:50,465 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:37:50,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:37:50,565 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:37:50,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50 WrapperNode [2022-11-16 19:37:50,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:37:50,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:37:50,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:37:50,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:37:50,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,607 INFO L138 Inliner]: procedures = 110, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2022-11-16 19:37:50,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:37:50,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:37:50,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:37:50,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:37:50,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:37:50,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:37:50,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:37:50,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:37:50,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (1/1) ... [2022-11-16 19:37:50,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:37:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:37:50,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:37:50,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:37:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:37:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:37:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:37:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:37:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:37:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:37:50,823 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:37:50,826 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:37:51,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:37:51,078 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:37:51,078 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:37:51,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:37:51 BoogieIcfgContainer [2022-11-16 19:37:51,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:37:51,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:37:51,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:37:51,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:37:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:37:50" (1/3) ... [2022-11-16 19:37:51,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b523cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:51, skipping insertion in model container [2022-11-16 19:37:51,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:50" (2/3) ... [2022-11-16 19:37:51,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b523cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:51, skipping insertion in model container [2022-11-16 19:37:51,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:37:51" (3/3) ... [2022-11-16 19:37:51,101 INFO L112 eAbstractionObserver]: Analyzing ICFG min_rf-alloca.i [2022-11-16 19:37:51,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:37:51,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-16 19:37:51,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:37:51,196 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;@35fbd2b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:37:51,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-16 19:37:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:37:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:37:51,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:37:51,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:37:51,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-16 19:37:51,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:37:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash 89799107, now seen corresponding path program 1 times [2022-11-16 19:37:51,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:37:51,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82771832] [2022-11-16 19:37:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:37:51,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:37:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:37:51,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:37:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:37:51,537 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:37:51,539 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:37:51,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-16 19:37:51,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-16 19:37:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-16 19:37:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-16 19:37:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-16 19:37:51,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-16 19:37:51,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-16 19:37:51,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-16 19:37:51,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-16 19:37:51,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-16 19:37:51,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-16 19:37:51,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-16 19:37:51,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:37:51,556 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 19:37:51,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:37:51,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:37:51 BoogieIcfgContainer [2022-11-16 19:37:51,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:37:51,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:37:51,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:37:51,591 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:37:51,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:37:51" (3/4) ... [2022-11-16 19:37:51,594 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 19:37:51,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:37:51,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:37:51,639 INFO L158 Benchmark]: Toolchain (without parser) took 1599.24ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 51.6MB in the end (delta: 35.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,639 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:37:51,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.27ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 93.6MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.40ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,641 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 990.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,642 INFO L158 Benchmark]: RCFGBuilder took 445.54ms. Allocated memory is still 123.7MB. Free memory was 90.4MB in the beginning and 74.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,642 INFO L158 Benchmark]: TraceAbstraction took 505.66ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 53.7MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,643 INFO L158 Benchmark]: Witness Printer took 46.86ms. Allocated memory is still 123.7MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:37:51,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.27ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 93.6MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.40ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 990.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.54ms. Allocated memory is still 123.7MB. Free memory was 90.4MB in the beginning and 74.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 505.66ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 53.7MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 46.86ms. Allocated memory is still 123.7MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 557]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] *x = __VERIFIER_nondet_int() [L552] *y = __VERIFIER_nondet_int() [L553] EXPR \read(*y) [L553] *y > 0 && *x > 0 [L553] EXPR \read(*x) [L553] *y > 0 && *x > 0 VAL [*y > 0 && *x > 0=1, \read(*x)=1073741823, \read(*y)=1073741825, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, x={5:0}, y={2:0}, z={3:0}] [L553] COND TRUE *y > 0 && *x > 0 [L554] EXPR \read(*x) [L554] EXPR \read(*y) [L554] COND FALSE !(*x > *y) [L555] EXPR \read(*x) [L555] *z = *x [L556] COND FALSE !(__VERIFIER_nondet_int()) [L557] EXPR \read(*y) [L557] EXPR \read(*x) VAL [\read(*x)=1073741823, \read(*x)=1073741827, \read(*y)=1073741826, \read(*y)=1073741825, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, x={5:0}, y={2:0}, z={3:0}] [L557] *y + *x VAL [\read(*x)=1073741823, \read(*x)=1073741827, \read(*y)=1073741826, \read(*y)=1073741825, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={2:0}, x={5:0}, y={2:0}, z={3:0}] - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-16 19:37:51,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8654a008-b5f0-4735-9104-b499af1223c9/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)