./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_m2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_m2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64e2b591ee375a99f019d69fefe326e9fd46db25f76a67e4f3bee333adbec68f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:06,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:06,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:06,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:06,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:06,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:06,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:06,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:06,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:06,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:06,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:06,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:06,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:06,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:06,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:06,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:06,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:06,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:06,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:06,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:06,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:06,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:06,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:06,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:06,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:06,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:06,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:06,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:06,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:06,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:06,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:06,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:06,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:06,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:06,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:06,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:06,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:06,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:06,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:06,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:06,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:06,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:06,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:06,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:06,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:06,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:06,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:06,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:06,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:06,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:06,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:06,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:06,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:06,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:06,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:06,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:06,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:06,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:06,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:06,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:06,804 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:06,804 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:06,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:06,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:06,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:06,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:06,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:06,805 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:06,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:06,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:06,806 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_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e2b591ee375a99f019d69fefe326e9fd46db25f76a67e4f3bee333adbec68f [2021-11-23 15:05:07,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:07,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:07,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:07,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:07,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:07,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-crafted/zero_sum_m2.c [2021-11-23 15:05:07,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/fff836326/21d9ed38ad2643b1af60b1a46fcdf21c/FLAG6d4a496f5 [2021-11-23 15:05:07,605 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:07,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c [2021-11-23 15:05:07,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/fff836326/21d9ed38ad2643b1af60b1a46fcdf21c/FLAG6d4a496f5 [2021-11-23 15:05:07,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/fff836326/21d9ed38ad2643b1af60b1a46fcdf21c [2021-11-23 15:05:07,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:07,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:07,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:07,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:07,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:07,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df27f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07, skipping insertion in model container [2021-11-23 15:05:07,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:08,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:08,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:08,196 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_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c[402,415] [2021-11-23 15:05:08,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:08,221 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:08,234 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_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c[402,415] [2021-11-23 15:05:08,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:08,257 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:08,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08 WrapperNode [2021-11-23 15:05:08,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:08,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:08,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:08,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:08,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,308 INFO L137 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-11-23 15:05:08,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:08,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:08,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:08,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:08,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:08,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:08,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:08,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:08,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:08" (1/1) ... [2021-11-23 15:05:08,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:08,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:08,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:08,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:08,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:08,555 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:08,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:08,710 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:08,734 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:08,746 INFO L158 Benchmark]: Toolchain (without parser) took 764.30ms. Allocated memory is still 90.2MB. Free memory was 56.2MB in the beginning and 52.6MB in the end (delta: 3.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:08,747 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:08,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.84ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 66.4MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:08,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.48ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:08,751 INFO L158 Benchmark]: Boogie Preprocessor took 58.07ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 63.8MB in the end (delta: 865.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:08,752 INFO L158 Benchmark]: RCFGBuilder took 376.63ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 52.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:08,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.84ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 66.4MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.48ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.07ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 63.8MB in the end (delta: 865.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.63ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 52.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:08,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_m2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64e2b591ee375a99f019d69fefe326e9fd46db25f76a67e4f3bee333adbec68f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:11,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:11,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:11,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:11,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:11,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:11,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:11,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:11,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:11,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:11,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:11,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:11,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:11,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:11,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:11,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:11,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:11,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:11,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:11,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:11,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:11,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:11,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:11,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:11,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:11,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:11,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:11,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:11,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:11,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:11,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:11,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:11,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:11,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:11,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:11,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:11,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:11,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:11,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:11,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:11,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:11,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:11,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:11,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:11,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:11,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:11,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:11,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:11,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:11,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:11,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:11,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:11,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:11,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:11,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:11,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:11,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:11,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:11,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:11,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:11,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:11,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:11,596 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:11,597 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:11,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:11,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:11,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:11,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:11,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:11,598 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:11,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:11,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:11,599 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:11,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:11,599 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e2b591ee375a99f019d69fefe326e9fd46db25f76a67e4f3bee333adbec68f [2021-11-23 15:05:12,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:12,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:12,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:12,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:12,081 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:12,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-crafted/zero_sum_m2.c [2021-11-23 15:05:12,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/cf4e9b95f/ff203931f5c4497c8b86eba18dcc6003/FLAG120aff7d6 [2021-11-23 15:05:12,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:12,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c [2021-11-23 15:05:12,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/cf4e9b95f/ff203931f5c4497c8b86eba18dcc6003/FLAG120aff7d6 [2021-11-23 15:05:13,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/data/cf4e9b95f/ff203931f5c4497c8b86eba18dcc6003 [2021-11-23 15:05:13,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:13,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:13,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:13,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:13,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:13,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14189c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13, skipping insertion in model container [2021-11-23 15:05:13,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:13,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:13,245 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_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c[402,415] [2021-11-23 15:05:13,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:13,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:13,322 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_7f472209-afa3-414a-aeca-5b116b20b1bc/sv-benchmarks/c/array-crafted/zero_sum_m2.c[402,415] [2021-11-23 15:05:13,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:13,371 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:13,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13 WrapperNode [2021-11-23 15:05:13,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:13,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:13,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:13,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:13,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,433 INFO L137 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-23 15:05:13,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:13,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:13,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:13,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:13,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:13,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:13,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:13,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:13,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:13" (1/1) ... [2021-11-23 15:05:13,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:13,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:13,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:05:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:05:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:13,652 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:13,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:13,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:13,880 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:13,885 INFO L158 Benchmark]: Toolchain (without parser) took 806.13ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 35.0MB in the end (delta: 11.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,886 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:13,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.01ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 50.1MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 48.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:13,889 INFO L158 Benchmark]: Boogie Preprocessor took 51.37ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,890 INFO L158 Benchmark]: RCFGBuilder took 396.21ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 35.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.01ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 50.1MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 48.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.37ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.21ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 35.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:13,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f472209-afa3-414a-aeca-5b116b20b1bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable