./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba --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 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d --- 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-b5237d8 [2022-11-22 01:15:52,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:15:52,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:15:52,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:15:52,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:15:52,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:15:52,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:15:52,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:15:52,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:15:52,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:15:52,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:15:52,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:15:52,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:15:52,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:15:52,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:15:52,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:15:52,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:15:52,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:15:52,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:15:52,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:15:52,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:15:52,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:15:52,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:15:52,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:15:52,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:15:52,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:15:52,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:15:52,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:15:52,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:15:52,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:15:52,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:15:52,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:15:52,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:15:52,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:15:52,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:15:52,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:15:52,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:15:52,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:15:52,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:15:52,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:15:52,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:15:52,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:15:52,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:15:52,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:15:52,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:15:52,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:15:52,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:15:52,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:15:52,169 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:15:52,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:15:52,170 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:15:52,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:15:52,171 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:15:52,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:15:52,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:15:52,171 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:15:52,172 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:15:52,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:15:52,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:15:52,172 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:15:52,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:15:52,174 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:15:52,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:15:52,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:15:52,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:15:52,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:15:52,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:15:52,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:15:52,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:15:52,176 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:15:52,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:15:52,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:15:52,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:15:52,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:15:52,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:15:52,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:15:52,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:52,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:15:52,178 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:15:52,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:15:52,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:15:52,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:15:52,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:15:52,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:15:52,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:15:52,180 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_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d [2022-11-22 01:15:52,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:15:52,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:15:52,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:15:52,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:15:52,562 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:15:52,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-11-22 01:15:55,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:15:56,165 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:15:56,166 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2022-11-22 01:15:56,173 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/data/72b1bdf1c/0170c6117d3a4dd79c2ea135572f5e4e/FLAG780325acb [2022-11-22 01:15:56,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/data/72b1bdf1c/0170c6117d3a4dd79c2ea135572f5e4e [2022-11-22 01:15:56,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:15:56,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:15:56,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:56,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:15:56,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:15:56,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59962b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56, skipping insertion in model container [2022-11-22 01:15:56,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:15:56,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:15:56,460 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_eb436110-6cd6-469a-a8b9-7aa81e472294/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2022-11-22 01:15:56,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:56,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:15:56,494 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_eb436110-6cd6-469a-a8b9-7aa81e472294/sv-benchmarks/c/loop-zilu/benchmark47_linear.i[868,881] [2022-11-22 01:15:56,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:56,512 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:15:56,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56 WrapperNode [2022-11-22 01:15:56,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:56,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:56,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:15:56,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:15:56,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,550 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-22 01:15:56,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:56,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:15:56,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:15:56,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:15:56,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:15:56,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:15:56,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:15:56,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:15:56,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (1/1) ... [2022-11-22 01:15:56,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:56,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:15:56,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:15:56,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:15:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:15:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:15:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:15:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:15:56,738 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:15:56,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:15:56,982 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:15:57,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:15:57,013 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:15:57,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:57 BoogieIcfgContainer [2022-11-22 01:15:57,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:15:57,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:15:57,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:15:57,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:15:57,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:15:56" (1/3) ... [2022-11-22 01:15:57,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3aeeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:57, skipping insertion in model container [2022-11-22 01:15:57,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:56" (2/3) ... [2022-11-22 01:15:57,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3aeeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:57, skipping insertion in model container [2022-11-22 01:15:57,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:57" (3/3) ... [2022-11-22 01:15:57,042 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark47_linear.i [2022-11-22 01:15:57,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:15:57,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-22 01:15:57,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:15:57,187 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;@1a83211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:15:57,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-22 01:15:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 28 states have internal predecessors, (33), 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) [2022-11-22 01:15:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:15:57,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:57,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:15:57,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-22 01:15:57,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:57,215 INFO L85 PathProgramCache]: Analyzing trace with hash 93500143, now seen corresponding path program 1 times [2022-11-22 01:15:57,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:57,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222700197] [2022-11-22 01:15:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:57,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:15:57,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:57,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222700197] [2022-11-22 01:15:57,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222700197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:57,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:57,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:15:57,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185779018] [2022-11-22 01:15:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:57,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:57,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:57,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:57,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:57,490 INFO L87 Difference]: Start difference. First operand has 29 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 28 states have internal predecessors, (33), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:15:57,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:57,557 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-22 01:15:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:57,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-22 01:15:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:57,571 INFO L225 Difference]: With dead ends: 29 [2022-11-22 01:15:57,571 INFO L226 Difference]: Without dead ends: 25 [2022-11-22 01:15:57,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:57,578 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:57,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:15:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-22 01:15:57,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-22 01:15:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.6875) internal successors, (27), 24 states have internal predecessors, (27), 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) [2022-11-22 01:15:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-22 01:15:57,615 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 5 [2022-11-22 01:15:57,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:57,616 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-22 01:15:57,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:15:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-22 01:15:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:15:57,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:57,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:15:57,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:15:57,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-22 01:15:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 93500335, now seen corresponding path program 1 times [2022-11-22 01:15:57,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:57,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983061883] [2022-11-22 01:15:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:57,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:15:57,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:15:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:15:57,662 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:15:57,662 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:15:57,664 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-22 01:15:57,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-22 01:15:57,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-22 01:15:57,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-22 01:15:57,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-22 01:15:57,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-22 01:15:57,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-22 01:15:57,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-22 01:15:57,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-22 01:15:57,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-22 01:15:57,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:15:57,675 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 01:15:57,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:15:57,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:15:57 BoogieIcfgContainer [2022-11-22 01:15:57,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:15:57,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:15:57,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:15:57,701 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:15:57,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:57" (3/4) ... [2022-11-22 01:15:57,705 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 01:15:57,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb436110-6cd6-469a-a8b9-7aa81e472294/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:15:57,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:15:57,788 INFO L158 Benchmark]: Toolchain (without parser) took 1591.22ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 89.4MB in the end (delta: 39.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,789 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:15:57,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.98ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 132.0MB in the end (delta: -3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.64ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 130.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,791 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 129.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:15:57,791 INFO L158 Benchmark]: RCFGBuilder took 457.10ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 117.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,792 INFO L158 Benchmark]: TraceAbstraction took 664.72ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 91.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,793 INFO L158 Benchmark]: Witness Printer took 87.01ms. Allocated memory is still 167.8MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:15:57,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.98ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 132.0MB in the end (delta: -3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.64ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 130.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 129.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.10ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 117.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 664.72ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 91.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 87.01ms. Allocated memory is still 167.8MB. Free memory was 91.5MB in the beginning and 89.4MB 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x