/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/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 14:52:58,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 14:52:58,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 14:52:58,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 14:52:58,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 14:52:58,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 14:52:58,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 14:52:58,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 14:52:58,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 14:52:58,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 14:52:58,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 14:52:58,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 14:52:58,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 14:52:58,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 14:52:58,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 14:52:58,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 14:52:58,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 14:52:58,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 14:52:58,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 14:52:58,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 14:52:58,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 14:52:58,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 14:52:58,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 14:52:58,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 14:52:58,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-07 14:52:58,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-07 14:52:58,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-07 14:52:58,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-07 14:52:58,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-07 14:52:58,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-07 14:52:58,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 14:52:58,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 14:52:58,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 14:52:58,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 14:52:58,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 14:52:58,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 14:52:58,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 14:52:58,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 14:52:58,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 14:52:58,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 14:52:58,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 14:52:58,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-07 14:52:58,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 14:52:58,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 14:52:58,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 14:52:58,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 14:52:58,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 14:52:58,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 14:52:58,299 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 14:52:58,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 14:52:58,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 14:52:58,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 14:52:58,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 14:52:58,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 14:52:58,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 14:52:58,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 14:52:58,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 14:52:58,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 14:52:58,303 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 14:52:58,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 14:52:58,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 14:52:58,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 14:52:58,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 14:52:58,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 14:52:58,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 14:52:58,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 14:52:58,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 14:52:58,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 14:52:58,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 14:52:58,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 14:52:58,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 14:52:58,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 14:52:58,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 14:52:58,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 14:52:58,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 14:52:58,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 14:52:58,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 14:52:58,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 14:52:58,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 14:52:58,776 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 14:52:58,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-10-07 14:52:58,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982795968/76a1b27860454120a21980c6cef8d20c/FLAG5da19b1ed [2021-10-07 14:52:59,517 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 14:52:59,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-10-07 14:52:59,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982795968/76a1b27860454120a21980c6cef8d20c/FLAG5da19b1ed [2021-10-07 14:52:59,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982795968/76a1b27860454120a21980c6cef8d20c [2021-10-07 14:52:59,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 14:52:59,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 14:52:59,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 14:52:59,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 14:52:59,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 14:52:59,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:52:59" (1/1) ... [2021-10-07 14:52:59,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dc1fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:59, skipping insertion in model container [2021-10-07 14:52:59,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:52:59" (1/1) ... [2021-10-07 14:52:59,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 14:52:59,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 14:53:00,162 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/bench-exp2x9.wvr.c[2663,2676] [2021-10-07 14:53:00,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 14:53:00,176 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 14:53:00,208 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/bench-exp2x9.wvr.c[2663,2676] [2021-10-07 14:53:00,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 14:53:00,233 INFO L208 MainTranslator]: Completed translation [2021-10-07 14:53:00,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00 WrapperNode [2021-10-07 14:53:00,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 14:53:00,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 14:53:00,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 14:53:00,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 14:53:00,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 14:53:00,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 14:53:00,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 14:53:00,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 14:53:00,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 14:53:00,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 14:53:00,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 14:53:00,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 14:53:00,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (1/1) ... [2021-10-07 14:53:00,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 14:53:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 14:53:00,455 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) [2021-10-07 14:53:00,476 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 [2021-10-07 14:53:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 14:53:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 14:53:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 14:53:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 14:53:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 14:53:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 14:53:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-07 14:53:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-07 14:53:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 14:53:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 14:53:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 14:53:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 14:53:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 14:53:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 14:53:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 14:53:00,555 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 14:53:01,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 14:53:01,123 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-07 14:53:01,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:01 BoogieIcfgContainer [2021-10-07 14:53:01,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 14:53:01,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 14:53:01,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 14:53:01,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 14:53:01,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:52:59" (1/3) ... [2021-10-07 14:53:01,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779b6886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:01, skipping insertion in model container [2021-10-07 14:53:01,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:00" (2/3) ... [2021-10-07 14:53:01,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779b6886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:01, skipping insertion in model container [2021-10-07 14:53:01,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:01" (3/3) ... [2021-10-07 14:53:01,141 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2021-10-07 14:53:01,148 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 14:53:01,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 14:53:01,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-07 14:53:01,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779b6886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 02:53:01, skipping insertion in model container [2021-10-07 14:53:01,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 14:53:01,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 14:53:01,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 14:53:01,153 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 14:53:01,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:01" (3/3) ... [2021-10-07 14:53:01,158 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-07 14:53:01,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-07 14:53:01,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-07 14:53:01,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-07 14:53:01,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-10-07 14:53:01,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-07 14:53:01,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-07 14:53:01,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 14:53:01,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 14:53:01,260 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/bench-exp2x9.wvr.c-witness.graphml [2021-10-07 14:53:01,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 14:53:01,262 INFO L168 Benchmark]: Toolchain (without parser) took 1407.44 ms. Allocated memory is still 160.4 MB. Free memory was 136.2 MB in the beginning and 136.2 MB in the end (delta: -576 B). Peak memory consumption was 702.0 kB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,263 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 14:53:01,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.06 ms. Allocated memory is still 160.4 MB. Free memory was 135.9 MB in the beginning and 124.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.45 ms. Allocated memory is still 160.4 MB. Free memory was 124.5 MB in the beginning and 122.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,264 INFO L168 Benchmark]: Boogie Preprocessor took 72.40 ms. Allocated memory is still 160.4 MB. Free memory was 122.8 MB in the beginning and 121.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,265 INFO L168 Benchmark]: RCFGBuilder took 735.60 ms. Allocated memory is still 160.4 MB. Free memory was 121.4 MB in the beginning and 140.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,265 INFO L168 Benchmark]: TraceAbstraction took 19.43 ms. Allocated memory is still 160.4 MB. Free memory was 140.4 MB in the beginning and 139.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,266 INFO L168 Benchmark]: Witness Printer took 107.69 ms. Allocated memory is still 160.4 MB. Free memory was 139.4 MB in the beginning and 136.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 14:53:01,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 372.06 ms. Allocated memory is still 160.4 MB. Free memory was 135.9 MB in the beginning and 124.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 79.45 ms. Allocated memory is still 160.4 MB. Free memory was 124.5 MB in the beginning and 122.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.40 ms. Allocated memory is still 160.4 MB. Free memory was 122.8 MB in the beginning and 121.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 735.60 ms. Allocated memory is still 160.4 MB. Free memory was 121.4 MB in the beginning and 140.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19.43 ms. Allocated memory is still 160.4 MB. Free memory was 140.4 MB in the beginning and 139.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Witness Printer took 107.69 ms. Allocated memory is still 160.4 MB. Free memory was 139.4 MB in the beginning and 136.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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! [2021-10-07 14:53:01,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...