./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/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 553fa36ed40c647d72bea24bc7f609074716c419 ..................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/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 553fa36ed40c647d72bea24bc7f609074716c419 ................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: The value of the constructed RValue has a BoogieType ([bv32]bv32) that is incompatible with its CType (*~UINT32~0). --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:04:26,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:04:26,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:04:26,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:04:26,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:04:26,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:04:26,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:04:26,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:04:26,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:04:26,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:04:26,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:04:26,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:04:26,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:04:26,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:04:26,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:04:26,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:04:26,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:04:26,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:04:26,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:04:26,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:04:26,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:04:26,469 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:04:26,471 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:04:26,471 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:04:26,471 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:04:26,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:04:26,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:04:26,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:04:26,474 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:04:26,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:04:26,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:04:26,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:04:26,477 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:04:26,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:04:26,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:04:26,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:04:26,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 18:04:26,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:04:26,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:04:26,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:04:26,507 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:04:26,507 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:04:26,507 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:04:26,507 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:04:26,507 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 18:04:26,508 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:04:26,508 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:04:26,525 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 18:04:26,525 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 18:04:26,525 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:04:26,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:04:26,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:04:26,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:04:26,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:04:26,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:26,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:04:26,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:04:26,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:04:26,530 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 18:04:26,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:04:26,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:04:26,531 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 18:04:26,531 INFO L133 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/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/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 -> 553fa36ed40c647d72bea24bc7f609074716c419 [2018-11-18 18:04:26,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:04:26,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:04:26,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:04:26,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:04:26,589 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:04:26,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/../../sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c [2018-11-18 18:04:26,633 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/3616d7785/e9934549d98f40dc87c843153e26a3ff/FLAG439f90b60 [2018-11-18 18:04:27,001 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:04:27,002 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c [2018-11-18 18:04:27,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/3616d7785/e9934549d98f40dc87c843153e26a3ff/FLAG439f90b60 [2018-11-18 18:04:27,409 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/3616d7785/e9934549d98f40dc87c843153e26a3ff [2018-11-18 18:04:27,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:04:27,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:04:27,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:27,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:04:27,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:04:27,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:27" (1/1) ... [2018-11-18 18:04:27,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:27, skipping insertion in model container [2018-11-18 18:04:27,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:27" (1/1) ... [2018-11-18 18:04:27,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:04:27,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:04:27,657 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: The value of the constructed RValue has a BoogieType ([int]int) that is incompatible with its CType (*~UINT32~0). at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.checkType(RValue.java:92) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.(RValue.java:76) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.(RValue.java:65) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.switchToRValueIfNecessary(ExpressionResultTransformer.java:173) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.convertExpressionListToExpressionResultIfNecessary(CTranslationUtil.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:646) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:288) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:677) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1309) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2173) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 18:04:27,660 INFO L168 Benchmark]: Toolchain (without parser) took 247.91 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 945.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:27,662 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:04:27,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 945.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:27,664 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 945.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: The value of the constructed RValue has a BoogieType ([int]int) that is incompatible with its CType (*~UINT32~0). de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: The value of the constructed RValue has a BoogieType ([int]int) that is incompatible with its CType (*~UINT32~0).: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.checkType(RValue.java:92) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 18:04:29,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:04:29,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:04:29,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:04:29,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:04:29,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:04:29,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:04:29,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:04:29,174 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:04:29,175 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:04:29,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:04:29,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:04:29,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:04:29,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:04:29,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:04:29,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:04:29,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:04:29,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:04:29,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:04:29,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:04:29,185 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:04:29,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:04:29,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:04:29,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:04:29,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:04:29,189 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:04:29,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:04:29,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:04:29,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:04:29,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:04:29,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:04:29,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:04:29,194 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:04:29,194 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:04:29,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:04:29,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:04:29,195 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 18:04:29,207 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:04:29,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:04:29,208 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:04:29,208 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:04:29,208 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:04:29,209 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:04:29,209 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:04:29,209 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:04:29,209 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:04:29,209 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:04:29,210 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:04:29,210 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:04:29,210 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:04:29,210 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:04:29,210 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:04:29,211 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:04:29,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:04:29,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:04:29,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:04:29,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:04:29,214 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:04:29,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:29,214 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:04:29,215 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/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 -> 553fa36ed40c647d72bea24bc7f609074716c419 [2018-11-18 18:04:29,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:04:29,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:04:29,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:04:29,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:04:29,274 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:04:29,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/../../sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c [2018-11-18 18:04:29,324 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/5c87dc659/a54026f973434f64a52133b37f75b3b1/FLAG7add51133 [2018-11-18 18:04:29,699 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:04:29,700 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/sv-benchmarks/c/loop-industry-pattern/aiob_2_true-unreach-call.c [2018-11-18 18:04:29,706 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/5c87dc659/a54026f973434f64a52133b37f75b3b1/FLAG7add51133 [2018-11-18 18:04:30,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_901d8bee-f226-4c15-9782-539850804e2b/bin-2019/utaipan/data/5c87dc659/a54026f973434f64a52133b37f75b3b1 [2018-11-18 18:04:30,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:04:30,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:04:30,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:30,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:04:30,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:04:30,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:30" (1/1) ... [2018-11-18 18:04:30,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159f0eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:30, skipping insertion in model container [2018-11-18 18:04:30,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:30" (1/1) ... [2018-11-18 18:04:30,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:04:30,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:04:30,426 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: The value of the constructed RValue has a BoogieType ([bv32]bv32) that is incompatible with its CType (*~UINT32~0). at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.checkType(RValue.java:92) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.(RValue.java:76) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.(RValue.java:65) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.switchToRValueIfNecessary(ExpressionResultTransformer.java:173) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.convertExpressionListToExpressionResultIfNecessary(CTranslationUtil.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:646) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:288) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:677) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1309) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2173) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 18:04:30,433 INFO L168 Benchmark]: Toolchain (without parser) took 334.96 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:30,434 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:04:30,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.08 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:30,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.08 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: The value of the constructed RValue has a BoogieType ([bv32]bv32) that is incompatible with its CType (*~UINT32~0). de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: The value of the constructed RValue has a BoogieType ([bv32]bv32) that is incompatible with its CType (*~UINT32~0).: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.RValue.checkType(RValue.java:92) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...