./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --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/weaver/parallel-ticket-6.wvr.c -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 c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:39,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:39,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:39,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:39,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:39,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:39,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:39,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:39,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:39,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:39,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:39,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:39,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:39,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:39,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:39,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:39,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:39,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:39,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:39,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:39,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:39,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:39,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:39,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:39,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:39,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:39,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:39,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:39,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:39,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:39,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:39,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:39,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:39,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:39,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:39,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:39,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:39,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:39,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:39,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:39,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:39,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:28:39,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:39,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:39,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:39,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:39,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:39,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:39,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:39,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:39,214 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:39,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:39,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:39,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:39,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:39,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:39,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:39,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:39,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:39,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:39,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 [2021-12-15 12:28:39,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:39,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:39,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:39,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:39,442 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:39,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-12-15 12:28:39,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9436e0ce9/537840fa8ecb4fdb9995032e9e3c987c/FLAGac7f1764f [2021-12-15 12:28:39,905 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:39,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-12-15 12:28:39,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9436e0ce9/537840fa8ecb4fdb9995032e9e3c987c/FLAGac7f1764f [2021-12-15 12:28:39,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9436e0ce9/537840fa8ecb4fdb9995032e9e3c987c [2021-12-15 12:28:39,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:39,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:39,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:39,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:39,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:39,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:39" (1/1) ... [2021-12-15 12:28:39,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc5df79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:39, skipping insertion in model container [2021-12-15 12:28:39,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:39" (1/1) ... [2021-12-15 12:28:39,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:39,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:40,117 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/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-12-15 12:28:40,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:40,126 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:40,157 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/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-12-15 12:28:40,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:40,168 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:40,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40 WrapperNode [2021-12-15 12:28:40,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:40,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:40,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:40,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:40,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,214 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2021-12-15 12:28:40,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:40,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:40,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:40,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:40,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:40,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:40,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:40,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:40,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:40" (1/1) ... [2021-12-15 12:28:40,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:40,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:40,305 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 12:28:40,322 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 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-15 12:28:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-15 12:28:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:28:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-15 12:28:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-15 12:28:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-15 12:28:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-15 12:28:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:40,338 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 12:28:40,406 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:40,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:40,640 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:40,693 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:28:40,697 INFO L158 Benchmark]: Toolchain (without parser) took 761.68ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 45.0MB in the end (delta: 19.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-12-15 12:28:40,698 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:40,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.83ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 70.1MB in the end (delta: -6.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 12:28:40,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:40,699 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:40,700 INFO L158 Benchmark]: RCFGBuilder took 439.75ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 45.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:28:40,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.83ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 70.1MB in the end (delta: -6.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.75ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 45.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:40,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/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/weaver/parallel-ticket-6.wvr.c -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 c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:42,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:42,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:42,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:42,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:42,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:42,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:42,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:42,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:42,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:42,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:42,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:42,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:42,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:42,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:42,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:42,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:42,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:42,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:42,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:42,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:42,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:42,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:42,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:42,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:42,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:42,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:42,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:42,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:42,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:42,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:42,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:42,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:42,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:42,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:42,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:42,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:42,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:42,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:42,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:42,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:42,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:28:42,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:42,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:42,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:42,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:42,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:42,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:42,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:42,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:42,824 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:42,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:42,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:42,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:42,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:42,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:42,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:42,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:42,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:42,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:42,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:42,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:42,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:28:42,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7095f70ba7104a12a93da2a0b557c5b5c6880d23caa33c7c2fd19334f4cb537 [2021-12-15 12:28:43,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:43,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:43,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:43,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:43,120 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:43,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-12-15 12:28:43,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb71baca/e21d47ee1b76432e84aa73a3c088cb74/FLAG1c0ba58fd [2021-12-15 12:28:43,473 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:43,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2021-12-15 12:28:43,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb71baca/e21d47ee1b76432e84aa73a3c088cb74/FLAG1c0ba58fd [2021-12-15 12:28:43,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb71baca/e21d47ee1b76432e84aa73a3c088cb74 [2021-12-15 12:28:43,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:43,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:43,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:43,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:43,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:43,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:43" (1/1) ... [2021-12-15 12:28:43,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fbd097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:43, skipping insertion in model container [2021-12-15 12:28:43,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:43" (1/1) ... [2021-12-15 12:28:43,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:43,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:44,111 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/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-12-15 12:28:44,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:44,122 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:44,195 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/weaver/parallel-ticket-6.wvr.c[4400,4413] [2021-12-15 12:28:44,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:44,218 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:44,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44 WrapperNode [2021-12-15 12:28:44,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:44,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:44,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:44,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:44,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,267 INFO L137 Inliner]: procedures = 27, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 269 [2021-12-15 12:28:44,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:44,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:44,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:44,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:44,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:44,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:44,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:44,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:44,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:44" (1/1) ... [2021-12-15 12:28:44,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:44,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:44,351 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 12:28:44,367 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 12:28:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:28:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:28:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-15 12:28:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-15 12:28:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-15 12:28:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-15 12:28:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-15 12:28:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-15 12:28:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:28:44,390 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 12:28:44,538 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:44,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:44,832 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:44,900 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:28:44,904 INFO L158 Benchmark]: Toolchain (without parser) took 1001.50ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.5MB in the beginning and 33.2MB in the end (delta: -5.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-12-15 12:28:44,905 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:44,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.25ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.3MB in the beginning and 44.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-15 12:28:44,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.48ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 42.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:44,908 INFO L158 Benchmark]: Boogie Preprocessor took 50.14ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:44,909 INFO L158 Benchmark]: RCFGBuilder took 581.02ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 33.2MB in the end (delta: 7.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 12:28:44,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.25ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 27.3MB in the beginning and 44.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.48ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 42.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.14ms. Allocated memory is still 62.9MB. Free memory was 42.2MB in the beginning and 40.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.02ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 33.2MB in the end (delta: 7.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:44,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable