./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/triangular-longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/triangular-longest-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:21:26,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:21:26,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:21:26,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:21:26,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:21:26,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:21:26,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:21:26,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:21:26,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:21:26,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:21:26,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:21:26,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:21:26,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:21:26,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:21:26,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:21:26,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:21:26,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:21:26,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:21:26,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:21:26,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:21:26,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:21:26,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:21:26,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:21:26,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:21:26,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:21:26,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:21:26,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:21:26,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:21:26,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:21:26,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:21:26,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:21:26,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:21:26,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:21:26,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:21:26,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:21:26,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:21:26,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:21:26,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:21:26,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:21:26,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:21:26,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:21:26,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:21:26,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:21:26,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:21:26,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:21:26,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:21:26,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:21:26,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:21:26,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:21:26,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:21:26,295 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:21:26,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:21:26,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:21:26,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:21:26,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:21:26,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:21:26,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:21:26,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:21:26,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:21:26,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:21:26,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:21:26,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:26,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:21:26,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:21:26,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:21:26,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:21:26,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:21:26,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:21:26,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:21:26,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:21:26,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:21:26,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 [2021-12-15 12:21:26,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:21:26,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:21:26,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:21:26,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:21:26,521 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:21:26,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/triangular-longest-1.i [2021-12-15 12:21:26,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b4d333/98af60bf5a5d401184bd2ff28d9d0991/FLAG6bb3b2b0f [2021-12-15 12:21:27,030 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:21:27,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i [2021-12-15 12:21:27,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b4d333/98af60bf5a5d401184bd2ff28d9d0991/FLAG6bb3b2b0f [2021-12-15 12:21:27,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b4d333/98af60bf5a5d401184bd2ff28d9d0991 [2021-12-15 12:21:27,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:21:27,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:21:27,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:27,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:21:27,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:21:27,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:27,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7500fad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27, skipping insertion in model container [2021-12-15 12:21:27,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:27,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:21:27,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:21:27,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2021-12-15 12:21:27,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:27,875 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:21:27,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2021-12-15 12:21:27,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:27,946 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:21:27,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27 WrapperNode [2021-12-15 12:21:27,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:27,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:27,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:21:27,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:21:27,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:27,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:27,994 INFO L137 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2021-12-15 12:21:27,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:27,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:21:27,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:21:27,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:21:28,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:21:28,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:21:28,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:21:28,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:21:28,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (1/1) ... [2021-12-15 12:21:28,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:28,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:21:28,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:21:28,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-12-15 12:21:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-12-15 12:21:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:21:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:21:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:21:28,085 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:21:28,173 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:21:28,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:21:28,302 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:21:28,306 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:21:28,306 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:21:28,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:28 BoogieIcfgContainer [2021-12-15 12:21:28,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:21:28,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:21:28,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:21:28,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:21:28,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:21:27" (1/3) ... [2021-12-15 12:21:28,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e452e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:21:28, skipping insertion in model container [2021-12-15 12:21:28,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:27" (2/3) ... [2021-12-15 12:21:28,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e452e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:21:28, skipping insertion in model container [2021-12-15 12:21:28,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:28" (3/3) ... [2021-12-15 12:21:28,314 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2021-12-15 12:21:28,317 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:21:28,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:21:28,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:21:28,318 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:21:28,346 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,347 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,348 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,348 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,348 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,349 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,349 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,350 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,351 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,351 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,351 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,351 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,352 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,352 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,352 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,353 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,353 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,353 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,354 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,355 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,355 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,355 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,356 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,356 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,356 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,357 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,357 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,357 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,358 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,358 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:28,360 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) [2021-12-15 12:21:28,369 INFO L158 Benchmark]: Toolchain (without parser) took 823.64ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 41.2MB in the end (delta: 19.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,370 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:21:28,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.92ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 61.3MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.61ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,372 INFO L158 Benchmark]: Boogie Preprocessor took 36.31ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,373 INFO L158 Benchmark]: RCFGBuilder took 276.20ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 46.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,374 INFO L158 Benchmark]: TraceAbstraction took 57.45ms. Allocated memory is still 92.3MB. Free memory was 46.3MB in the beginning and 41.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:21:28,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.92ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 61.3MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.61ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.31ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.20ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 46.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 57.45ms. Allocated memory is still 92.3MB. Free memory was 46.3MB in the beginning and 41.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. 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. [2021-12-15 12:21:28,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/triangular-longest-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:21:30,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:21:30,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:21:30,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:21:30,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:21:30,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:21:30,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:21:30,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:21:30,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:21:30,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:21:30,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:21:30,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:21:30,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:21:30,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:21:30,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:21:30,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:21:30,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:21:30,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:21:30,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:21:30,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:21:30,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:21:30,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:21:30,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:21:30,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:21:30,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:21:30,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:21:30,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:21:30,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:21:30,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:21:30,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:21:30,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:21:30,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:21:30,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:21:30,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:21:30,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:21:30,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:21:30,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:21:30,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:21:30,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:21:30,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:21:30,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:21:30,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:21:30,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:21:30,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:21:30,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:21:30,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:21:30,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:21:30,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:21:30,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:21:30,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:21:30,342 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:21:30,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:21:30,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:21:30,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:21:30,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:21:30,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:21:30,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:21:30,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:21:30,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:21:30,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:21:30,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:21:30,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:21:30,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:21:30,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:30,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:21:30,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:21:30,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:21:30,347 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:21:30,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:21:30,347 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:21:30,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:21:30,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:21:30,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:21:30,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:21:30,348 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 [2021-12-15 12:21:30,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:21:30,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:21:30,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:21:30,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:21:30,643 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:21:30,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/triangular-longest-1.i [2021-12-15 12:21:30,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76a1e641/35ec752a6983477ab5df7d1f77d8f22c/FLAGe71ad22fe [2021-12-15 12:21:31,080 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:21:31,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i [2021-12-15 12:21:31,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76a1e641/35ec752a6983477ab5df7d1f77d8f22c/FLAGe71ad22fe [2021-12-15 12:21:31,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76a1e641/35ec752a6983477ab5df7d1f77d8f22c [2021-12-15 12:21:31,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:21:31,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:21:31,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:31,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:21:31,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:21:31,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218c72f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31, skipping insertion in model container [2021-12-15 12:21:31,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:21:31,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:21:31,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2021-12-15 12:21:31,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:31,759 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:21:31,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-longest-1.i[30962,30975] [2021-12-15 12:21:31,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:31,849 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:21:31,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31 WrapperNode [2021-12-15 12:21:31,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:31,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:31,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:21:31,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:21:31,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,900 INFO L137 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2021-12-15 12:21:31,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:31,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:21:31,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:21:31,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:21:31,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:21:31,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:21:31,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:21:31,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:21:31,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (1/1) ... [2021-12-15 12:21:31,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:21:31,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:21:31,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:21:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-12-15 12:21:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-12-15 12:21:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-12-15 12:21:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-12-15 12:21:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:21:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:21:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:21:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:21:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:21:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:21:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:21:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:21:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:21:31,998 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:21:32,120 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:21:32,127 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:21:32,259 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:21:32,263 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:21:32,264 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:21:32,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:32 BoogieIcfgContainer [2021-12-15 12:21:32,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:21:32,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:21:32,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:21:32,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:21:32,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:21:31" (1/3) ... [2021-12-15 12:21:32,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ed76b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:21:32, skipping insertion in model container [2021-12-15 12:21:32,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:31" (2/3) ... [2021-12-15 12:21:32,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ed76b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:21:32, skipping insertion in model container [2021-12-15 12:21:32,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:21:32" (3/3) ... [2021-12-15 12:21:32,271 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2021-12-15 12:21:32,274 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:21:32,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:21:32,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:21:32,275 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:21:32,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,292 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,292 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,293 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,294 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,294 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,294 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,297 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,297 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,297 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,297 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,297 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,298 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,299 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,301 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,301 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:21:32,302 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) [2021-12-15 12:21:32,305 INFO L158 Benchmark]: Toolchain (without parser) took 859.39ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.9MB in the beginning and 44.8MB in the end (delta: -7.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,305 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:21:32,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.00ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 33.5MB in the end (delta: 3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.89ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 31.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,307 INFO L158 Benchmark]: Boogie Preprocessor took 37.71ms. Allocated memory is still 58.7MB. Free memory was 31.4MB in the beginning and 29.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,307 INFO L158 Benchmark]: RCFGBuilder took 326.36ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 50.4MB in the end (delta: -20.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,308 INFO L158 Benchmark]: TraceAbstraction took 36.76ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 44.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:21:32,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.00ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 33.5MB in the end (delta: 3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.89ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 31.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.71ms. Allocated memory is still 58.7MB. Free memory was 31.4MB in the beginning and 29.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.36ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 50.4MB in the end (delta: -20.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * TraceAbstraction took 36.76ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 44.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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. [2021-12-15 12:21:32,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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