./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d61e0535257b0f2fe5c143179a513986c81e12db .................................................................................................................................................................................................... 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_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d61e0535257b0f2fe5c143179a513986c81e12db ......................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 17:54:29,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:29,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:29,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:29,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:29,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:29,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:29,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:29,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:29,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:29,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:29,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:29,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:29,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:29,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:29,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:29,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:29,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:29,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:29,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:29,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:29,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:29,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:29,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:29,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:29,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:29,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:29,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:29,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:29,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:29,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:29,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:29,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:29,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:29,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:29,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:29,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:29,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:29,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:29,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:29,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:29,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:54:29,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:29,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:29,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:29,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:29,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:29,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:29,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:29,815 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:29,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:54:29,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:29,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:29,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:29,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:29,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:29,818 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:29,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:29,819 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:29,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:29,820 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:29,820 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:29,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:29,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:29,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:29,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:29,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:29,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:29,823 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:54:29,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:54:29,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:29,823 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_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e0535257b0f2fe5c143179a513986c81e12db [2020-12-01 17:54:30,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:30,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:30,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:30,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:30,134 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:30,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-12-01 17:54:30,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/e3d63b291/1a8db8b5ce6a470d95e028a3f719d444/FLAG47cc7428f [2020-12-01 17:54:30,783 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:30,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-12-01 17:54:30,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/e3d63b291/1a8db8b5ce6a470d95e028a3f719d444/FLAG47cc7428f [2020-12-01 17:54:31,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/e3d63b291/1a8db8b5ce6a470d95e028a3f719d444 [2020-12-01 17:54:31,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:31,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:31,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:31,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:31,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:31,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1d86c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31, skipping insertion in model container [2020-12-01 17:54:31,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:31,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:31,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:31,667 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:54:31,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:31,835 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:54:31,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31 WrapperNode [2020-12-01 17:54:31,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:31,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:31,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:54:31,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:54:31,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:31,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:54:31,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:54:31,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:54:31,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:54:31,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:54:31,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:54:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:54:31,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 17:54:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:54:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 17:54:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 17:54:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:54:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 17:54:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 17:54:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:54:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:54:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:54:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:54:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:54:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 17:54:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 17:54:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:54:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:54:32,081 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 17:54:32,904 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:54:32,905 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-01 17:54:32,905 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-12-01 17:54:32,906 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) [2020-12-01 17:54:32,911 INFO L168 Benchmark]: Toolchain (without parser) took 1815.67 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.4 MB in the beginning and 42.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:32,912 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:54:32,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.79 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 61.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:32,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.42 ms. Allocated memory is still 107.0 MB. Free memory was 61.7 MB in the beginning and 59.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:32,914 INFO L168 Benchmark]: Boogie Preprocessor took 65.33 ms. Allocated memory is still 107.0 MB. Free memory was 59.6 MB in the beginning and 58.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:54:32,915 INFO L168 Benchmark]: RCFGBuilder took 924.06 ms. Allocated memory is still 107.0 MB. Free memory was 58.1 MB in the beginning and 42.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:32,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.79 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 61.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.42 ms. Allocated memory is still 107.0 MB. Free memory was 61.7 MB in the beginning and 59.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.33 ms. Allocated memory is still 107.0 MB. Free memory was 59.6 MB in the beginning and 58.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 924.06 ms. Allocated memory is still 107.0 MB. Free memory was 58.1 MB in the beginning and 42.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 27.5 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... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:54:35,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:35,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:35,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:35,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:35,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:35,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:35,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:35,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:35,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:35,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:35,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:35,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:35,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:35,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:35,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:35,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:35,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:35,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:35,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:35,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:35,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:35,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:35,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:35,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:35,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:35,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:35,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:35,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:35,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:35,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:35,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:35,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:35,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:35,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:35,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:35,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:35,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:35,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:35,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:35,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:35,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:54:35,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:35,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:35,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:35,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:35,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:35,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:35,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:35,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:35,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:35,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:35,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:35,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:35,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:35,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:35,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:35,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:35,637 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:35,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:35,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:35,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:35,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:35,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:54:35,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:54:35,640 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_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e0535257b0f2fe5c143179a513986c81e12db [2020-12-01 17:54:36,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:36,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:36,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:36,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:36,091 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:36,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-12-01 17:54:36,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/578ed143a/664f979998de4f029d19a280315d4151/FLAG331912827 [2020-12-01 17:54:36,889 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:36,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-12-01 17:54:36,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/578ed143a/664f979998de4f029d19a280315d4151/FLAG331912827 [2020-12-01 17:54:37,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/data/578ed143a/664f979998de4f029d19a280315d4151 [2020-12-01 17:54:37,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:37,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:37,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:37,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:37,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:37,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3770cf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37, skipping insertion in model container [2020-12-01 17:54:37,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:37,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:37,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:37,617 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:54:37,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:37,797 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:54:37,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37 WrapperNode [2020-12-01 17:54:37,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:37,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:37,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:54:37,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:54:37,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:37,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:54:37,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:54:37,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:54:37,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... [2020-12-01 17:54:37,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:54:37,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:54:37,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:54:37,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:54:37,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69336f92-c746-4809-ad13-ad2b73c6ac8d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 17:54:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:54:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 17:54:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 17:54:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 17:54:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 17:54:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:54:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:54:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:54:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:54:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:54:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:54:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 17:54:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 17:54:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 17:54:37,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:54:37,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:54:37,974 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 17:54:38,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:54:38,899 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-01 17:54:38,900 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-12-01 17:54:38,901 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) [2020-12-01 17:54:38,906 INFO L168 Benchmark]: Toolchain (without parser) took 1789.70 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.6 MB in the beginning and 45.1 MB in the end (delta: 534.2 kB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:38,906 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:54:38,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.26 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:38,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 41.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:38,909 INFO L168 Benchmark]: Boogie Preprocessor took 37.49 ms. Allocated memory is still 67.1 MB. Free memory was 41.1 MB in the beginning and 39.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:38,910 INFO L168 Benchmark]: RCFGBuilder took 1003.49 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 39.2 MB in the beginning and 45.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:38,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 680.26 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 41.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.49 ms. Allocated memory is still 67.1 MB. Free memory was 41.1 MB in the beginning and 39.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1003.49 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 39.2 MB in the beginning and 45.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 19.5 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...