./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum_array-2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/sum_array-2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 --- 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-2329fc7 [2022-12-14 14:17:39,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:17:39,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:17:39,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:17:39,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:17:39,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:17:39,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:17:39,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:17:39,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:17:39,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:17:39,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:17:39,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:17:39,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:17:39,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:17:39,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:17:39,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:17:39,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:17:39,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:17:39,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:17:39,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:17:39,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:17:39,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:17:39,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:17:39,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:17:39,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:17:39,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:17:39,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:17:39,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:17:39,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:17:39,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:17:39,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:17:39,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:17:39,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:17:39,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:17:39,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:17:39,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:17:39,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:17:39,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:17:39,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:17:39,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:17:39,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:17:39,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 14:17:39,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:17:39,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:17:39,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:17:39,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:17:39,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:17:39,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:17:39,837 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:17:39,837 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:17:39,838 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:17:39,839 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:17:39,839 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:17:39,839 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:17:39,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:17:39,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:17:39,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:17:39,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:17:39,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:17:39,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:17:39,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:39,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:17:39,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:17:39,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:17:39,844 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_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 [2022-12-14 14:17:40,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:17:40,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:17:40,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:17:40,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:17:40,031 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:17:40,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loops/sum_array-2-1.i [2022-12-14 14:17:42,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:17:42,739 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:17:42,740 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/sv-benchmarks/c/loops/sum_array-2-1.i [2022-12-14 14:17:42,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/data/d0f2cc1ef/a793c145c6b249f4824cb6217e59b3a0/FLAG888cd4e44 [2022-12-14 14:17:42,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/data/d0f2cc1ef/a793c145c6b249f4824cb6217e59b3a0 [2022-12-14 14:17:42,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:17:42,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:17:42,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:42,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:17:42,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:17:42,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:42,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee0fc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42, skipping insertion in model container [2022-12-14 14:17:42,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:42,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:17:42,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:17:42,903 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_09041efd-dd00-4837-ba6d-11227c2e866d/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-12-14 14:17:42,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:42,927 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:17:42,939 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_09041efd-dd00-4837-ba6d-11227c2e866d/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-12-14 14:17:42,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:42,959 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:17:42,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42 WrapperNode [2022-12-14 14:17:42,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:42,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:42,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:17:42,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:17:42,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:42,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:42,993 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-12-14 14:17:42,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:42,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:17:42,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:17:42,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:17:43,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:17:43,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:17:43,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:17:43,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:17:43,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (1/1) ... [2022-12-14 14:17:43,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:43,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:17:43,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:17:43,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:17:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:17:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:17:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:17:43,135 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:17:43,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:17:43,278 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:17:43,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:17:43,308 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 14:17:43,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:43 BoogieIcfgContainer [2022-12-14 14:17:43,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:17:43,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:17:43,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:17:43,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:17:43,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:17:42" (1/3) ... [2022-12-14 14:17:43,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a707544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:43, skipping insertion in model container [2022-12-14 14:17:43,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:42" (2/3) ... [2022-12-14 14:17:43,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a707544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:43, skipping insertion in model container [2022-12-14 14:17:43,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:43" (3/3) ... [2022-12-14 14:17:43,316 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-2-1.i [2022-12-14 14:17:43,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:17:43,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 14:17:43,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:17:43,370 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;@343b7144, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:17:43,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 14:17:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-12-14 14:17:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:17:43,380 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:43,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 14:17:43,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 14:17:43,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:43,387 INFO L85 PathProgramCache]: Analyzing trace with hash -591964480, now seen corresponding path program 1 times [2022-12-14 14:17:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:43,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173547090] [2022-12-14 14:17:43,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:17:43,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:43,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173547090] [2022-12-14 14:17:43,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173547090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:43,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:43,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:17:43,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903636893] [2022-12-14 14:17:43,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:43,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:17:43,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:43,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:17:43,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:17:43,802 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 17 states have internal predecessors, (24), 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) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-12-14 14:17:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:43,916 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2022-12-14 14:17:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:17:43,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 14:17:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:43,927 INFO L225 Difference]: With dead ends: 53 [2022-12-14 14:17:43,928 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 14:17:43,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:17:43,934 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 18 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:43,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 27 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:17:43,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 14:17:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 19. [2022-12-14 14:17:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 18 states have internal predecessors, (22), 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) [2022-12-14 14:17:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-12-14 14:17:43,966 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 6 [2022-12-14 14:17:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:43,966 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-12-14 14:17:43,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-12-14 14:17:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 14:17:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:17:43,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:43,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:43,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:17:43,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 14:17:43,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:43,968 INFO L85 PathProgramCache]: Analyzing trace with hash 101714517, now seen corresponding path program 1 times [2022-12-14 14:17:43,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:43,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934175993] [2022-12-14 14:17:43,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:44,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:17:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:44,108 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:17:44,109 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:17:44,111 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 14:17:44,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 14:17:44,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 14:17:44,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 14:17:44,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:17:44,117 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:17:44,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:17:44,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:17:44 BoogieIcfgContainer [2022-12-14 14:17:44,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:17:44,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:17:44,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:17:44,146 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:17:44,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:43" (3/4) ... [2022-12-14 14:17:44,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 14:17:44,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09041efd-dd00-4837-ba6d-11227c2e866d/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:17:44,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:17:44,185 INFO L158 Benchmark]: Toolchain (without parser) took 1425.87ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 100.3MB in the beginning and 105.9MB in the end (delta: -5.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,185 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:44,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 89.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,186 INFO L158 Benchmark]: Boogie Preprocessor took 24.48ms. Allocated memory is still 130.0MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,187 INFO L158 Benchmark]: RCFGBuilder took 290.61ms. Allocated memory is still 130.0MB. Free memory was 85.6MB in the beginning and 70.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,187 INFO L158 Benchmark]: TraceAbstraction took 833.04ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 69.4MB in the beginning and 108.0MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:44,187 INFO L158 Benchmark]: Witness Printer took 38.80ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:44,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.02ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 89.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.48ms. Allocated memory is still 130.0MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.61ms. Allocated memory is still 130.0MB. Free memory was 85.6MB in the beginning and 70.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 833.04ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 69.4MB in the beginning and 108.0MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.80ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 105.9MB 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: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L27] unsigned int M = __VERIFIER_nondet_uint(); [L28] COND FALSE !(M > 1000000) [L31] int A[M], B[M], C[M]; [L32] unsigned int i; [L33] i=0 VAL [A={6:0}, B={3:0}, C={5:0}, i=0, M=1] [L33] COND TRUE i