./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum_array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/sum_array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0ce6e358e97991ebbe821b374467d4ac3ee0da45122333d4b5212eb8135ac7d --- 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-5e519f3 [2022-11-03 02:05:31,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:05:31,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:05:31,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:05:31,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:05:31,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:05:31,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:05:31,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:05:31,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:05:31,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:05:31,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:05:31,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:05:31,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:05:31,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:05:31,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:05:31,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:05:31,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:05:31,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:05:31,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:05:31,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:05:31,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:05:31,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:05:31,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:05:31,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:05:31,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:05:31,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:05:31,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:05:31,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:05:31,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:05:31,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:05:31,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:05:31,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:05:31,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:05:31,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:05:31,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:05:31,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:05:31,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:05:31,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:05:31,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:05:31,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:05:31,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:05:31,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:05:31,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:05:31,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:05:31,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:05:31,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:05:31,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:05:31,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:05:31,614 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:05:31,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:05:31,614 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:05:31,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:05:31,615 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:05:31,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:05:31,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:05:31,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:05:31,616 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:05:31,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:05:31,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:05:31,617 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:05:31,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:05:31,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:05:31,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:05:31,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:05:31,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:05:31,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:05:31,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:05:31,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:05:31,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:05:31,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:05:31,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:05:31,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:05:31,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:05:31,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:05:31,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:31,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:05:31,621 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:05:31,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:05:31,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:05:31,622 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:05:31,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:05:31,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:05:31,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:05:31,623 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_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0ce6e358e97991ebbe821b374467d4ac3ee0da45122333d4b5212eb8135ac7d [2022-11-03 02:05:31,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:05:31,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:05:31,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:05:31,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:05:31,957 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:05:31,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/loops/sum_array-1.c [2022-11-03 02:05:32,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/data/42df89d9a/3018cd7bf6dc43159771b693ce1a31b2/FLAG8f42c82f4 [2022-11-03 02:05:32,484 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:05:32,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/sv-benchmarks/c/loops/sum_array-1.c [2022-11-03 02:05:32,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/data/42df89d9a/3018cd7bf6dc43159771b693ce1a31b2/FLAG8f42c82f4 [2022-11-03 02:05:32,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/data/42df89d9a/3018cd7bf6dc43159771b693ce1a31b2 [2022-11-03 02:05:32,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:05:32,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:05:32,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:32,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:05:32,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:05:32,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:32" (1/1) ... [2022-11-03 02:05:32,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41992c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:32, skipping insertion in model container [2022-11-03 02:05:32,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:32" (1/1) ... [2022-11-03 02:05:32,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:05:32,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:05:33,056 WARN L230 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_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-11-03 02:05:33,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:33,114 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:05:33,126 WARN L230 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_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-11-03 02:05:33,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:33,148 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:05:33,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33 WrapperNode [2022-11-03 02:05:33,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:33,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:33,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:05:33,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:05:33,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,203 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-03 02:05:33,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:33,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:05:33,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:05:33,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:05:33,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:05:33,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:05:33,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:05:33,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:05:33,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (1/1) ... [2022-11-03 02:05:33,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:33,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:33,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:05:33,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:05:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:05:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:05:33,402 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:05:33,404 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:05:33,688 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:05:33,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:05:33,750 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 02:05:33,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:33 BoogieIcfgContainer [2022-11-03 02:05:33,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:05:33,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:05:33,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:05:33,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:05:33,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:05:32" (1/3) ... [2022-11-03 02:05:33,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:33, skipping insertion in model container [2022-11-03 02:05:33,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:33" (2/3) ... [2022-11-03 02:05:33,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:33, skipping insertion in model container [2022-11-03 02:05:33,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:33" (3/3) ... [2022-11-03 02:05:33,761 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-1.c [2022-11-03 02:05:33,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:05:33,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:05:33,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:05:33,866 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;@3976edb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:05:33,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:05:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-03 02:05:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 02:05:33,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:33,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:33,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:33,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1363991572, now seen corresponding path program 1 times [2022-11-03 02:05:33,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:33,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829214577] [2022-11-03 02:05:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:05:34,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:34,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829214577] [2022-11-03 02:05:34,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829214577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:34,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:34,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:05:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841760248] [2022-11-03 02:05:34,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:34,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:05:34,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:34,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:05:34,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:05:34,551 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-03 02:05:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:34,723 INFO L93 Difference]: Finished difference Result 30 states and 44 transitions. [2022-11-03 02:05:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:05:34,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-03 02:05:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:34,735 INFO L225 Difference]: With dead ends: 30 [2022-11-03 02:05:34,735 INFO L226 Difference]: Without dead ends: 17 [2022-11-03 02:05:34,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:05:34,742 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:34,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:05:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-03 02:05:34,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2022-11-03 02:05:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2022-11-03 02:05:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-11-03 02:05:34,776 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 7 [2022-11-03 02:05:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:34,776 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-03 02:05:34,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-03 02:05:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-11-03 02:05:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:05:34,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:34,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:34,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:05:34,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:34,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash -475116150, now seen corresponding path program 1 times [2022-11-03 02:05:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:34,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859290731] [2022-11-03 02:05:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:05:34,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:05:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:05:35,015 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:05:35,016 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:05:35,018 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:05:35,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:05:35,028 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:05:35,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:05:35,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:05:35 BoogieIcfgContainer [2022-11-03 02:05:35,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:05:35,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:05:35,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:05:35,091 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:05:35,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:33" (3/4) ... [2022-11-03 02:05:35,094 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:05:35,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f05d1f8-4c8c-41d8-a475-1b654c822f0a/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:05:35,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:05:35,168 INFO L158 Benchmark]: Toolchain (without parser) took 2280.07ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 76.3MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:05:35,169 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:05:35,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.06ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 64.4MB in the end (delta: -12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:05:35,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.27ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:05:35,171 INFO L158 Benchmark]: Boogie Preprocessor took 49.05ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:05:35,172 INFO L158 Benchmark]: RCFGBuilder took 492.34ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 46.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:05:35,174 INFO L158 Benchmark]: TraceAbstraction took 1330.37ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 78.5MB in the end (delta: -32.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-03 02:05:35,175 INFO L158 Benchmark]: Witness Printer took 77.26ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 76.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:05:35,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.06ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 64.4MB in the end (delta: -12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.27ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.05ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 492.34ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 46.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1330.37ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 78.5MB in the end (delta: -32.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 77.26ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 76.3MB in the end (delta: 2.2MB). 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L16] unsigned int M = __VERIFIER_nondet_uint(); [L17] int A[M], B[M], C[M]; [L18] unsigned int i; [L20] i=0 VAL [A={6:0}, B={5:0}, C={7:0}, i=0, M=1] [L20] COND TRUE i