./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/for_bounded_loop1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/for_bounded_loop1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 ............................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:18:34,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:18:34,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:18:34,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:18:34,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:18:34,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:18:34,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:18:34,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:18:34,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:18:34,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:18:34,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:18:34,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:18:34,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:18:34,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:18:34,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:18:34,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:18:34,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:18:34,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:18:34,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:18:34,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:18:34,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:18:34,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:18:34,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:18:34,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:18:34,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:18:34,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:18:34,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:18:34,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:18:34,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:18:34,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:18:34,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:18:34,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:18:34,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:18:34,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:18:34,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:18:34,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:18:34,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:18:34,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:18:34,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:18:34,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:18:34,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:18:34,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:18:34,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:18:34,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:18:35,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:18:35,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:18:35,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:18:35,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:18:35,001 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:18:35,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:18:35,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:18:35,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:18:35,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:18:35,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:18:35,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:18:35,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:18:35,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:18:35,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:18:35,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:18:35,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan 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(__VERIFIER_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 -> 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 [2019-12-07 15:18:35,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:18:35,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:18:35,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:18:35,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:18:35,117 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:18:35,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/../../sv-benchmarks/c/loops/for_bounded_loop1.c [2019-12-07 15:18:35,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/data/efbf5f20a/6a46b2288b2e46fdb7f72fd5dee946aa/FLAG2a37d3904 [2019-12-07 15:18:35,513 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:18:35,514 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/sv-benchmarks/c/loops/for_bounded_loop1.c [2019-12-07 15:18:35,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/data/efbf5f20a/6a46b2288b2e46fdb7f72fd5dee946aa/FLAG2a37d3904 [2019-12-07 15:18:35,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/data/efbf5f20a/6a46b2288b2e46fdb7f72fd5dee946aa [2019-12-07 15:18:35,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:18:35,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:18:35,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:18:35,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:18:35,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:18:35,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:18:35" (1/1) ... [2019-12-07 15:18:35,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d3b949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:35, skipping insertion in model container [2019-12-07 15:18:35,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:18:35" (1/1) ... [2019-12-07 15:18:35,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:18:35,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:18:36,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:18:36,092 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:18:36,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:18:36,152 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:18:36,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36 WrapperNode [2019-12-07 15:18:36,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:18:36,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:18:36,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:18:36,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:18:36,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:18:36,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:18:36,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:18:36,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:18:36,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... [2019-12-07 15:18:36,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:18:36,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:18:36,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:18:36,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:18:36,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:18:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:18:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:18:36,363 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:18:36,363 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-07 15:18:36,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:18:36 BoogieIcfgContainer [2019-12-07 15:18:36,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:18:36,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:18:36,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:18:36,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:18:36,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:18:35" (1/3) ... [2019-12-07 15:18:36,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d925a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:18:36, skipping insertion in model container [2019-12-07 15:18:36,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:18:36" (2/3) ... [2019-12-07 15:18:36,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d925a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:18:36, skipping insertion in model container [2019-12-07 15:18:36,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:18:36" (3/3) ... [2019-12-07 15:18:36,370 INFO L109 eAbstractionObserver]: Analyzing ICFG for_bounded_loop1.c [2019-12-07 15:18:36,377 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:18:36,382 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:18:36,393 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:18:36,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:18:36,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:18:36,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:18:36,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:18:36,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:18:36,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:18:36,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:18:36,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:18:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-12-07 15:18:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:18:36,424 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:18:36,425 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:18:36,425 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:18:36,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:18:36,429 INFO L82 PathProgramCache]: Analyzing trace with hash 29745418, now seen corresponding path program 1 times [2019-12-07 15:18:36,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:18:36,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547760964] [2019-12-07 15:18:36,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:18:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:18:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:18:36,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547760964] [2019-12-07 15:18:36,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:18:36,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:18:36,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068215569] [2019-12-07 15:18:36,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:18:36,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:18:36,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:18:36,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:18:36,570 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2019-12-07 15:18:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:18:36,620 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2019-12-07 15:18:36,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:18:36,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-12-07 15:18:36,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:18:36,630 INFO L225 Difference]: With dead ends: 41 [2019-12-07 15:18:36,630 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 15:18:36,633 INFO L630 BasicCegarLoop]: 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 [2019-12-07 15:18:36,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 15:18:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 15:18:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 15:18:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-12-07 15:18:36,655 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 5 [2019-12-07 15:18:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:18:36,655 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-12-07 15:18:36,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:18:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-12-07 15:18:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:18:36,655 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:18:36,655 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:18:36,656 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:18:36,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:18:36,656 INFO L82 PathProgramCache]: Analyzing trace with hash 29792570, now seen corresponding path program 1 times [2019-12-07 15:18:36,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:18:36,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824943878] [2019-12-07 15:18:36,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:18:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:18:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:18:36,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824943878] [2019-12-07 15:18:36,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:18:36,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:18:36,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999179137] [2019-12-07 15:18:36,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:18:36,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:18:36,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:18:36,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:18:36,673 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 3 states. [2019-12-07 15:18:36,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:18:36,682 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-12-07 15:18:36,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:18:36,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 15:18:36,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:18:36,683 INFO L225 Difference]: With dead ends: 20 [2019-12-07 15:18:36,683 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 15:18:36,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:18:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 15:18:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 15:18:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 15:18:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-12-07 15:18:36,686 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2019-12-07 15:18:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:18:36,687 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-12-07 15:18:36,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:18:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-12-07 15:18:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 15:18:36,687 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:18:36,687 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:18:36,687 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:18:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:18:36,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1387310901, now seen corresponding path program 1 times [2019-12-07 15:18:36,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:18:36,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506317939] [2019-12-07 15:18:36,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:18:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:18:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:18:36,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506317939] [2019-12-07 15:18:36,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:18:36,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:18:36,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408292656] [2019-12-07 15:18:36,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:18:36,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:18:36,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:18:36,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:18:36,773 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 6 states. [2019-12-07 15:18:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:18:36,825 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-12-07 15:18:36,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:18:36,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-12-07 15:18:36,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:18:36,825 INFO L225 Difference]: With dead ends: 18 [2019-12-07 15:18:36,825 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 15:18:36,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:18:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 15:18:36,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-12-07 15:18:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 15:18:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-07 15:18:36,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2019-12-07 15:18:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:18:36,829 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 15:18:36,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:18:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-12-07 15:18:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:18:36,829 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:18:36,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:18:36,829 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:18:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:18:36,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1086350423, now seen corresponding path program 1 times [2019-12-07 15:18:36,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:18:36,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884847438] [2019-12-07 15:18:36,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:18:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:18:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:18:36,864 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 15:18:36,865 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:18:36,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:18:36 BoogieIcfgContainer [2019-12-07 15:18:36,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:18:36,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:18:36,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:18:36,876 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:18:36,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:18:36" (3/4) ... [2019-12-07 15:18:36,878 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:18:36,904 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc902c1a-57bf-4368-82c2-d19f3aa6d6be/bin/utaipan/witness.graphml [2019-12-07 15:18:36,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:18:36,906 INFO L168 Benchmark]: Toolchain (without parser) took 945.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -108.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:18:36,906 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:18:36,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:18:36,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:18:36,907 INFO L168 Benchmark]: Boogie Preprocessor took 15.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:18:36,907 INFO L168 Benchmark]: RCFGBuilder took 171.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:18:36,908 INFO L168 Benchmark]: TraceAbstraction took 510.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:18:36,908 INFO L168 Benchmark]: Witness Printer took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:18:36,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 510.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 28.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int i=0, x=0, y=0; [L15] int n=__VERIFIER_nondet_int(); [L16] COND FALSE !(!(n>0)) [L17] i=0 [L17] COND TRUE i