./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/05_tas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/05_tas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:14,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:14,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:14,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:14,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:14,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:14,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:14,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:14,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:14,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:14,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:14,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:14,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:14,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:14,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:14,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:14,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:14,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:14,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:14,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:14,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:14,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:14,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:14,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:14,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:14,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:14,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:14,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:14,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:14,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:14,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:14,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:14,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:14,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:14,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:14,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:14,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:14,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:14,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:14,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:14,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:14,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:50:14,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:14,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:14,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:14,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:14,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:14,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:14,761 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:14,761 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:14,762 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:14,762 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:50:14,763 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:14,763 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:14,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:50:14,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:50:14,764 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:14,764 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:50:14,765 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:50:14,765 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:50:14,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:14,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:14,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:50:14,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:14,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:14,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:14,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:14,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:14,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:14,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:14,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:14,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:14,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:14,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:14,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:14,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:14,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:14,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:14,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:50:14,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:50:14,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:14,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:14,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:14,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 [2021-11-23 16:50:15,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:15,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:15,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:15,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:15,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:15,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/05_tas.i [2021-11-23 16:50:15,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/163d1237c/0a61b73b2e0c47bda9e9f57887460343/FLAG72398b795 [2021-11-23 16:50:15,870 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:15,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i [2021-11-23 16:50:15,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/163d1237c/0a61b73b2e0c47bda9e9f57887460343/FLAG72398b795 [2021-11-23 16:50:16,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/163d1237c/0a61b73b2e0c47bda9e9f57887460343 [2021-11-23 16:50:16,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:16,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:16,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:16,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:16,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:16,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1490ae47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16, skipping insertion in model container [2021-11-23 16:50:16,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:16,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:16,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2021-11-23 16:50:16,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2021-11-23 16:50:16,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2021-11-23 16:50:16,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:16,712 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:16,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2021-11-23 16:50:16,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2021-11-23 16:50:16,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2021-11-23 16:50:16,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:16,833 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:16,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16 WrapperNode [2021-11-23 16:50:16,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:16,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:16,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:16,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:16,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,924 INFO L137 Inliner]: procedures = 169, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 93 [2021-11-23 16:50:16,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:16,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:16,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:16,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:16,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:16,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:16,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:16,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:16,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:16,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (1/1) ... [2021-11-23 16:50:17,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:17,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:17,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:50:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:50:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:50:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:50:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:50:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:50:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:50:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:17,090 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:50:17,290 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:17,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:17,531 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:17,605 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:50:17,605 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 16:50:17,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:17 BoogieIcfgContainer [2021-11-23 16:50:17,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:50:17,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:50:17,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:50:17,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:50:17,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:50:16" (1/3) ... [2021-11-23 16:50:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffd8ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:17, skipping insertion in model container [2021-11-23 16:50:17,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:16" (2/3) ... [2021-11-23 16:50:17,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffd8ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:17, skipping insertion in model container [2021-11-23 16:50:17,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:17" (3/3) ... [2021-11-23 16:50:17,619 INFO L111 eAbstractionObserver]: Analyzing ICFG 05_tas.i [2021-11-23 16:50:17,626 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 16:50:17,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:50:17,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 16:50:17,627 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 16:50:17,694 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,695 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,695 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,695 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,696 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,696 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,696 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,697 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,697 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,697 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,698 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,698 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,699 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,699 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,699 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,699 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,700 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,700 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,700 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,701 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,701 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,701 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,701 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,702 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,702 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,702 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,703 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,703 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,703 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,704 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,704 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,705 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,705 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,705 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,705 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,706 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,714 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,714 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,715 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,715 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,715 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,715 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,716 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,716 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,717 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,717 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,717 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,717 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,718 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,718 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,718 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,718 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,719 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,719 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,720 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,720 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,720 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,721 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,721 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,721 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,721 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,722 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,722 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,722 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,745 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,745 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,745 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,746 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,746 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,746 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,747 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,747 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,747 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,748 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,748 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,748 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,751 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,751 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,780 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,780 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,782 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,782 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,782 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,783 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,783 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,783 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:17,786 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:50:17,792 INFO L158 Benchmark]: Toolchain (without parser) took 1657.72ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 66.7MB in the beginning and 104.4MB in the end (delta: -37.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,793 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:17,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.92ms. Allocated memory is still 107.0MB. Free memory was 66.5MB in the beginning and 73.6MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.49ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 71.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,796 INFO L158 Benchmark]: Boogie Preprocessor took 63.14ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,797 INFO L158 Benchmark]: RCFGBuilder took 618.98ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 55.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,798 INFO L158 Benchmark]: TraceAbstraction took 178.66ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 55.0MB in the beginning and 104.4MB in the end (delta: -49.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 16:50:17,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.92ms. Allocated memory is still 107.0MB. Free memory was 66.5MB in the beginning and 73.6MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.49ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 71.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.14ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.98ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 55.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 178.66ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 55.0MB in the beginning and 104.4MB in the end (delta: -49.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:17,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/05_tas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:20,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:20,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:20,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:20,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:20,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:20,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:20,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:20,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:20,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:20,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:20,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:20,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:20,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:20,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:20,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:20,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:20,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:20,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:20,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:20,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:20,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:20,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:20,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:20,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:20,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:20,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:20,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:20,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:20,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:20,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:20,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:20,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:20,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:20,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:20,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:20,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:20,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:20,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:20,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:20,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:20,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:50:21,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:21,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:21,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:21,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:21,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:21,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:21,019 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:21,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:21,019 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:21,020 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:21,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:21,021 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:21,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:21,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:21,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:21,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:21,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:21,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:21,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:21,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:50:21,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:50:21,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:50:21,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:21,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:21,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:21,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:21,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:21,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:50:21,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:21,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:21,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:21,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:21,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:21,030 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:50:21,030 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:50:21,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:21,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:21,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:21,031 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee4025da2c93fbd4be930880192a9e0c94d8979f3d9117e228b55f99542c3b0 [2021-11-23 16:50:21,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:21,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:21,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:21,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:21,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:21,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/05_tas.i [2021-11-23 16:50:21,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/3daa3fc46/788f74f22df448a8b81d07b9b81162ca/FLAG3d210f507 [2021-11-23 16:50:22,375 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:22,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i [2021-11-23 16:50:22,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/3daa3fc46/788f74f22df448a8b81d07b9b81162ca/FLAG3d210f507 [2021-11-23 16:50:22,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/data/3daa3fc46/788f74f22df448a8b81d07b9b81162ca [2021-11-23 16:50:22,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:22,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:22,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:22,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:22,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:22,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:22" (1/1) ... [2021-11-23 16:50:22,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e737069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:22, skipping insertion in model container [2021-11-23 16:50:22,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:22" (1/1) ... [2021-11-23 16:50:22,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:22,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:23,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2021-11-23 16:50:23,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2021-11-23 16:50:23,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2021-11-23 16:50:23,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:23,166 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:23,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30203,30216] [2021-11-23 16:50:23,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30300,30313] [2021-11-23 16:50:23,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/sv-benchmarks/c/pthread-ext/05_tas.i[30446,30459] [2021-11-23 16:50:23,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:23,307 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:23,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23 WrapperNode [2021-11-23 16:50:23,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:23,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:23,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:23,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:23,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,369 INFO L137 Inliner]: procedures = 173, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 94 [2021-11-23 16:50:23,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:23,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:23,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:23,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:23,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:23,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:23,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:23,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:23,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (1/1) ... [2021-11-23 16:50:23,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:23,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:23,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:50:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:50:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:50:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:50:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:50:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:50:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:50:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:50:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:23,522 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:50:23,665 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:23,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:24,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:24,115 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:50:24,120 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 16:50:24,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:24 BoogieIcfgContainer [2021-11-23 16:50:24,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:50:24,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:50:24,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:50:24,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:50:24,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:50:22" (1/3) ... [2021-11-23 16:50:24,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1e72b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:24, skipping insertion in model container [2021-11-23 16:50:24,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:23" (2/3) ... [2021-11-23 16:50:24,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1e72b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:24, skipping insertion in model container [2021-11-23 16:50:24,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:24" (3/3) ... [2021-11-23 16:50:24,133 INFO L111 eAbstractionObserver]: Analyzing ICFG 05_tas.i [2021-11-23 16:50:24,143 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 16:50:24,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:50:24,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 16:50:24,143 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 16:50:24,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,180 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,189 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,190 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,191 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,192 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,195 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,196 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,197 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,198 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,199 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,200 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,200 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,200 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,200 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~delay~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,201 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,202 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~o#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,204 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_TAS_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,205 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,206 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,207 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~#cond~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,208 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,209 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,210 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,211 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,212 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,213 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:24,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:50:24,219 INFO L158 Benchmark]: Toolchain (without parser) took 1610.99ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 36.4MB in the end (delta: 15.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,220 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:24,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.99ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 42.5MB in the end (delta: 9.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,223 INFO L158 Benchmark]: Boogie Preprocessor took 42.18ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,224 INFO L158 Benchmark]: RCFGBuilder took 709.75ms. Allocated memory is still 69.2MB. Free memory was 38.6MB in the beginning and 46.9MB in the end (delta: -8.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,225 INFO L158 Benchmark]: TraceAbstraction took 91.49ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 36.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:50:24,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.99ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 42.5MB in the end (delta: 9.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.00ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.18ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.75ms. Allocated memory is still 69.2MB. Free memory was 38.6MB in the beginning and 46.9MB in the end (delta: -8.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 91.49ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 36.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:24,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9c5798-302a-4d84-9416-ddd708c93b96/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable