/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 19:44:30,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 19:44:30,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 19:44:30,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 19:44:30,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 19:44:30,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 19:44:30,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 19:44:30,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 19:44:30,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 19:44:30,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 19:44:30,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 19:44:30,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 19:44:30,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 19:44:30,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 19:44:30,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 19:44:30,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 19:44:30,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 19:44:30,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 19:44:30,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 19:44:30,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 19:44:30,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 19:44:30,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 19:44:30,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 19:44:30,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 19:44:30,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 19:44:30,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 19:44:30,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 19:44:30,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 19:44:30,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 19:44:30,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 19:44:30,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 19:44:30,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 19:44:30,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 19:44:30,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 19:44:30,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 19:44:30,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 19:44:30,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 19:44:30,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 19:44:30,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 19:44:30,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 19:44:30,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 19:44:30,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-13 19:44:30,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 19:44:30,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 19:44:30,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 19:44:30,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 19:44:30,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 19:44:30,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 19:44:30,305 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 19:44:30,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 19:44:30,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 19:44:30,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 19:44:30,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 19:44:30,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 19:44:30,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 19:44:30,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 19:44:30,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 19:44:30,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 19:44:30,309 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 19:44:30,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 19:44:30,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 19:44:30,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 19:44:30,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 19:44:30,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 19:44:30,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 19:44:30,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 19:44:30,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:44:30,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 19:44:30,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 19:44:30,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 19:44:30,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 19:44:30,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 19:44:30,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 19:44:30,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 19:44:30,319 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 19:44:30,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 19:44:30,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 19:44:30,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 19:44:30,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 19:44:30,753 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 19:44:30,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2021-10-13 19:44:30,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ff62f1ee/af9760b05f924814b95237e03afbe34f/FLAG8e08e65c8 [2021-10-13 19:44:31,474 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 19:44:31,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c [2021-10-13 19:44:31,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ff62f1ee/af9760b05f924814b95237e03afbe34f/FLAG8e08e65c8 [2021-10-13 19:44:31,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ff62f1ee/af9760b05f924814b95237e03afbe34f [2021-10-13 19:44:31,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 19:44:31,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 19:44:31,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 19:44:31,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 19:44:31,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 19:44:31,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:44:31" (1/1) ... [2021-10-13 19:44:31,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1452dc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:31, skipping insertion in model container [2021-10-13 19:44:31,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:44:31" (1/1) ... [2021-10-13 19:44:31,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 19:44:31,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:44:32,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c[2465,2478] [2021-10-13 19:44:32,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:44:32,120 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 19:44:32,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-threaded-sum-3.wvr.c[2465,2478] [2021-10-13 19:44:32,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:44:32,184 INFO L208 MainTranslator]: Completed translation [2021-10-13 19:44:32,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32 WrapperNode [2021-10-13 19:44:32,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 19:44:32,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 19:44:32,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 19:44:32,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 19:44:32,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 19:44:32,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 19:44:32,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 19:44:32,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 19:44:32,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 19:44:32,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 19:44:32,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 19:44:32,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 19:44:32,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (1/1) ... [2021-10-13 19:44:32,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:44:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:44:32,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 19:44:32,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 19:44:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 19:44:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 19:44:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 19:44:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 19:44:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 19:44:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 19:44:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 19:44:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 19:44:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 19:44:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 19:44:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 19:44:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 19:44:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 19:44:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 19:44:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 19:44:32,493 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 19:44:33,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 19:44:33,051 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 19:44:33,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:44:33 BoogieIcfgContainer [2021-10-13 19:44:33,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 19:44:33,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 19:44:33,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 19:44:33,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 19:44:33,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:44:31" (1/3) ... [2021-10-13 19:44:33,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9067063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:44:33, skipping insertion in model container [2021-10-13 19:44:33,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:44:32" (2/3) ... [2021-10-13 19:44:33,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9067063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:44:33, skipping insertion in model container [2021-10-13 19:44:33,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:44:33" (3/3) ... [2021-10-13 19:44:33,064 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2021-10-13 19:44:33,070 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 19:44:33,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 19:44:33,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 19:44:33,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9067063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:44:33, skipping insertion in model container [2021-10-13 19:44:33,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 19:44:33,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 19:44:33,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 19:44:33,074 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 19:44:33,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:44:33" (3/3) ... [2021-10-13 19:44:33,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 19:44:33,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-13 19:44:33,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-13 19:44:33,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-13 19:44:33,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-13 19:44:33,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 19:44:33,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:44:33,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:44:33,148 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-threaded-sum-3.wvr.c-witness.graphml [2021-10-13 19:44:33,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 19:44:33,150 INFO L168 Benchmark]: Toolchain (without parser) took 1299.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 124.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,151 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 19:44:33,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.99 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.86 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 112.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,153 INFO L168 Benchmark]: Boogie Preprocessor took 67.56 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 111.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,154 INFO L168 Benchmark]: RCFGBuilder took 716.17 ms. Allocated memory is still 151.0 MB. Free memory was 111.5 MB in the beginning and 128.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,154 INFO L168 Benchmark]: TraceAbstraction took 16.52 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 127.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,155 INFO L168 Benchmark]: Witness Printer took 74.68 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 124.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:44:33,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 327.99 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 114.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 80.86 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 112.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.56 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 111.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 716.17 ms. Allocated memory is still 151.0 MB. Free memory was 111.5 MB in the beginning and 128.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16.52 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 127.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Witness Printer took 74.68 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 124.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-13 19:44:33,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...