./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee .................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee ..................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:03:32,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:32,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:32,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:32,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:32,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:32,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:32,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:32,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:32,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:32,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:32,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:32,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:32,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:32,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:32,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:32,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:32,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:32,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:32,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:32,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:32,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:32,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:32,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:32,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:32,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:32,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:32,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:32,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:32,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:32,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:32,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:32,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:32,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:32,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:32,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:32,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:32,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:32,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:32,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:32,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:32,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:03:32,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:32,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:32,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:32,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:32,800 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:32,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:32,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:32,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:32,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:32,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:32,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:32,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:32,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:32,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:32,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:32,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:32,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:32,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:32,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:32,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:32,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:32,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:32,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:32,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:32,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:32,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:32,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:03:32,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:32,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:32,806 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-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-11-28 03:03:33,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:33,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:33,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:33,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:33,161 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:33,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 03:03:33,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/fffb8f754/481bc8c84de74325b821a539802aef3c/FLAG6bd71e268 [2020-11-28 03:03:33,684 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:33,684 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 03:03:33,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/fffb8f754/481bc8c84de74325b821a539802aef3c/FLAG6bd71e268 [2020-11-28 03:03:34,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/fffb8f754/481bc8c84de74325b821a539802aef3c [2020-11-28 03:03:34,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:34,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:34,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:34,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:34,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:34,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495a8880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34, skipping insertion in model container [2020-11-28 03:03:34,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:34,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:34,286 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 03:03:34,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:34,475 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:34,511 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 03:03:34,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:34,637 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:34,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34 WrapperNode [2020-11-28 03:03:34,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:34,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:34,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:34,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:34,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:34,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:34,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:34,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:34,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... [2020-11-28 03:03:34,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:34,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:34,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:34,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:34,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:03:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 03:03:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 03:03:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:03:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 03:03:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:03:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 03:03:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:34,814 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:03:35,554 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:35,554 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:03:35,555 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-11-28 03:03:35,556 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) 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) [2020-11-28 03:03:35,561 INFO L168 Benchmark]: Toolchain (without parser) took 1531.92 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 66.9 MB in the beginning and 67.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:35,561 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:35,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.73 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 54.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:35,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 96.5 MB. Free memory was 54.0 MB in the beginning and 51.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:35,564 INFO L168 Benchmark]: Boogie Preprocessor took 28.80 ms. Allocated memory is still 96.5 MB. Free memory was 51.9 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:35,565 INFO L168 Benchmark]: RCFGBuilder took 840.64 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 68.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:35,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.73 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 54.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 96.5 MB. Free memory was 54.0 MB in the beginning and 51.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.80 ms. Allocated memory is still 96.5 MB. Free memory was 51.9 MB in the beginning and 50.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 840.64 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 68.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:03:38,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:38,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:38,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:38,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:38,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:38,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:38,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:38,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:38,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:38,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:38,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:38,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:38,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:38,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:38,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:38,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:38,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:38,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:38,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:38,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:38,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:38,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:38,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:38,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:38,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:38,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:38,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:38,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:38,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:38,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:38,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:38,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:38,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:38,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:38,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:38,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:38,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:38,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:38,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:38,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:38,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:03:38,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:38,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:38,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:38,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:38,216 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:38,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:38,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:38,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:38,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:38,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:38,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:38,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:38,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:38,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:38,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:38,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:38,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:38,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:38,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:38,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:38,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:38,221 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:03:38,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:03:38,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:38,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:38,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:03:38,222 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-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-11-28 03:03:38,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:38,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:38,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:38,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:38,666 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:38,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 03:03:38,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/dcedd3b02/cee7f5568c5f4636b1e784b2fd48da93/FLAGe2e37a701 [2020-11-28 03:03:39,367 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:39,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 03:03:39,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/dcedd3b02/cee7f5568c5f4636b1e784b2fd48da93/FLAGe2e37a701 [2020-11-28 03:03:39,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/data/dcedd3b02/cee7f5568c5f4636b1e784b2fd48da93 [2020-11-28 03:03:39,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:39,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:39,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:39,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:39,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:39,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:39" (1/1) ... [2020-11-28 03:03:39,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ca41d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:39, skipping insertion in model container [2020-11-28 03:03:39,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:39" (1/1) ... [2020-11-28 03:03:39,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:39,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:39,853 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 03:03:40,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:40,064 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:40,079 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 03:03:40,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:40,222 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:40,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40 WrapperNode [2020-11-28 03:03:40,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:40,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:40,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:40,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:40,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:40,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:40,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:40,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:40,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... [2020-11-28 03:03:40,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:40,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:40,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:40,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:40,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1677a74f-af72-471a-b0c4-df48eb996cc5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:03:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 03:03:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 03:03:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 03:03:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:03:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:03:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:03:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 03:03:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 03:03:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:40,401 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:03:41,318 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:41,319 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:03:41,319 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-11-28 03:03:41,320 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) 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) [2020-11-28 03:03:41,324 INFO L168 Benchmark]: Toolchain (without parser) took 1676.86 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.8 MB in the beginning and 46.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:41,325 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.5 MB in the end (delta: 43.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:41,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.18 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.6 MB in the beginning and 49.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:41,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 73.4 MB. Free memory was 49.6 MB in the beginning and 47.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:41,327 INFO L168 Benchmark]: Boogie Preprocessor took 34.40 ms. Allocated memory is still 73.4 MB. Free memory was 47.5 MB in the beginning and 45.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:41,328 INFO L168 Benchmark]: RCFGBuilder took 997.86 ms. Allocated memory is still 73.4 MB. Free memory was 45.9 MB in the beginning and 46.2 MB in the end (delta: -306.9 kB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:41,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.5 MB in the end (delta: 43.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.18 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.6 MB in the beginning and 49.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 73.4 MB. Free memory was 49.6 MB in the beginning and 47.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.40 ms. Allocated memory is still 73.4 MB. Free memory was 47.5 MB in the beginning and 45.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 997.86 ms. Allocated memory is still 73.4 MB. Free memory was 45.9 MB in the beginning and 46.2 MB in the end (delta: -306.9 kB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...