/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-exp2x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 15:44:42,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 15:44:42,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 15:44:42,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 15:44:42,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 15:44:42,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 15:44:42,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 15:44:42,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 15:44:42,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 15:44:42,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 15:44:42,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 15:44:42,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 15:44:42,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 15:44:42,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 15:44:42,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 15:44:42,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 15:44:42,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 15:44:42,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 15:44:42,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 15:44:42,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 15:44:42,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 15:44:42,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 15:44:42,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 15:44:42,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 15:44:42,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-08 15:44:42,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-08 15:44:42,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-08 15:44:42,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-08 15:44:42,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-08 15:44:42,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-08 15:44:42,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 15:44:42,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 15:44:42,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 15:44:42,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 15:44:42,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 15:44:42,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 15:44:42,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 15:44:42,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 15:44:42,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 15:44:42,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 15:44:42,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 15:44:42,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-08 15:44:42,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 15:44:42,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 15:44:42,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 15:44:42,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 15:44:42,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 15:44:42,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 15:44:42,598 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 15:44:42,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 15:44:42,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 15:44:42,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 15:44:42,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 15:44:42,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 15:44:42,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 15:44:42,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 15:44:42,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 15:44:42,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 15:44:42,601 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-08 15:44:42,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 15:44:42,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 15:44:42,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 15:44:42,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 15:44:42,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 15:44:42,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 15:44:42,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 15:44:42,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:44:42,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 15:44:42,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 15:44:42,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 15:44:42,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 15:44:42,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 15:44:42,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 15:44:42,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 15:44:42,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 15:44:43,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 15:44:43,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 15:44:43,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 15:44:43,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 15:44:43,050 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 15:44:43,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2021-10-08 15:44:43,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6fab9c20/3135a9ffb34347f7a6fc88b80602373e/FLAGc31098431 [2021-10-08 15:44:43,840 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 15:44:43,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2021-10-08 15:44:43,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6fab9c20/3135a9ffb34347f7a6fc88b80602373e/FLAGc31098431 [2021-10-08 15:44:44,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6fab9c20/3135a9ffb34347f7a6fc88b80602373e [2021-10-08 15:44:44,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 15:44:44,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 15:44:44,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 15:44:44,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 15:44:44,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 15:44:44,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32525f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44, skipping insertion in model container [2021-10-08 15:44:44,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 15:44:44,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 15:44:44,449 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-exp2x3.wvr.c[2231,2244] [2021-10-08 15:44:44,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:44:44,462 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 15:44:44,489 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-exp2x3.wvr.c[2231,2244] [2021-10-08 15:44:44,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:44:44,516 INFO L208 MainTranslator]: Completed translation [2021-10-08 15:44:44,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44 WrapperNode [2021-10-08 15:44:44,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 15:44:44,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 15:44:44,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 15:44:44,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 15:44:44,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 15:44:44,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 15:44:44,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 15:44:44,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 15:44:44,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 15:44:44,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 15:44:44,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 15:44:44,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 15:44:44,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:44:44,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:44,726 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) [2021-10-08 15:44:44,751 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 [2021-10-08 15:44:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 15:44:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 15:44:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 15:44:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 15:44:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 15:44:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 15:44:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-08 15:44:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-08 15:44:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 15:44:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 15:44:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 15:44:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 15:44:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 15:44:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 15:44:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 15:44:44,821 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 15:44:45,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 15:44:45,279 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-08 15:44:45,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45 BoogieIcfgContainer [2021-10-08 15:44:45,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 15:44:45,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 15:44:45,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 15:44:45,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 15:44:45,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 03:44:44" (1/3) ... [2021-10-08 15:44:45,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee69ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:44:45, skipping insertion in model container [2021-10-08 15:44:45,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (2/3) ... [2021-10-08 15:44:45,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee69ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:44:45, skipping insertion in model container [2021-10-08 15:44:45,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45" (3/3) ... [2021-10-08 15:44:45,293 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2021-10-08 15:44:45,300 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 15:44:45,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 15:44:45,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-08 15:44:45,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee69ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:44:45, skipping insertion in model container [2021-10-08 15:44:45,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 15:44:45,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 15:44:45,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 15:44:45,304 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 15:44:45,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45" (3/3) ... [2021-10-08 15:44:45,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 15:44:45,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 15:44:45,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 15:44:45,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-08 15:44:45,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-10-08 15:44:45,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-08 15:44:45,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 15:44:45,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 15:44:45,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 15:44:45,442 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/bench-exp2x3.wvr.c-witness.graphml [2021-10-08 15:44:45,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 15:44:45,445 INFO L168 Benchmark]: Toolchain (without parser) took 1237.73 ms. Allocated memory is still 156.2 MB. Free memory was 131.5 MB in the beginning and 138.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,445 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 15:44:45,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.92 ms. Allocated memory is still 156.2 MB. Free memory was 131.1 MB in the beginning and 120.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.67 ms. Allocated memory is still 156.2 MB. Free memory was 120.6 MB in the beginning and 118.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,447 INFO L168 Benchmark]: Boogie Preprocessor took 72.31 ms. Allocated memory is still 156.2 MB. Free memory was 118.9 MB in the beginning and 117.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,448 INFO L168 Benchmark]: RCFGBuilder took 609.42 ms. Allocated memory is still 156.2 MB. Free memory was 117.7 MB in the beginning and 104.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,448 INFO L168 Benchmark]: TraceAbstraction took 18.79 ms. Allocated memory is still 156.2 MB. Free memory was 104.1 MB in the beginning and 103.2 MB in the end (delta: 899.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,449 INFO L168 Benchmark]: Witness Printer took 139.00 ms. Allocated memory is still 156.2 MB. Free memory was 103.2 MB in the beginning and 138.6 MB in the end (delta: -35.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-10-08 15:44:45,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 300.92 ms. Allocated memory is still 156.2 MB. Free memory was 131.1 MB in the beginning and 120.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.67 ms. Allocated memory is still 156.2 MB. Free memory was 120.6 MB in the beginning and 118.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.31 ms. Allocated memory is still 156.2 MB. Free memory was 118.9 MB in the beginning and 117.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 609.42 ms. Allocated memory is still 156.2 MB. Free memory was 117.7 MB in the beginning and 104.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18.79 ms. Allocated memory is still 156.2 MB. Free memory was 104.1 MB in the beginning and 103.2 MB in the end (delta: 899.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Witness Printer took 139.00 ms. Allocated memory is still 156.2 MB. Free memory was 103.2 MB in the beginning and 138.6 MB in the end (delta: -35.4 MB). Peak memory consumption was 8.0 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! [2021-10-08 15:44:45,503 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...