/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/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:11:35,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:11:35,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:11:35,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:11:35,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:11:36,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:11:36,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:11:36,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:11:36,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:11:36,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:11:36,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:11:36,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:11:36,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:11:36,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:11:36,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:11:36,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:11:36,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:11:36,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:11:36,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:11:36,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:11:36,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:11:36,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:11:36,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:11:36,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:11:36,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-07 15:11:36,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-07 15:11:36,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-07 15:11:36,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-07 15:11:36,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-07 15:11:36,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-07 15:11:36,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:11:36,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:11:36,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:11:36,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:11:36,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:11:36,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:11:36,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:11:36,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:11:36,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:11:36,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:11:36,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:11:36,066 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 15:11:36,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:11:36,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:11:36,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:11:36,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:11:36,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:11:36,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:11:36,122 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:11:36,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:11:36,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:11:36,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:11:36,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:11:36,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:11:36,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:11:36,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 15:11:36,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:11:36,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 15:11:36,124 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 15:11:36,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:11:36,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 15:11:36,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:11:36,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 15:11:36,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:11:36,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:11:36,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:11:36,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:11:36,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:11:36,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:11:36,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 15:11:36,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 15:11:36,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 15:11:36,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 15:11:36,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:11:36,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:11:36,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:11:36,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:11:36,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:11:36,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:11:36,575 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:11:36,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy10.wvr.c [2021-10-07 15:11:36,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/341c10e67/e8fb9dc3cbe54024aedb877334157786/FLAG228462cf1 [2021-10-07 15:11:37,290 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:11:37,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/test-easy10.wvr.c [2021-10-07 15:11:37,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/341c10e67/e8fb9dc3cbe54024aedb877334157786/FLAG228462cf1 [2021-10-07 15:11:37,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/341c10e67/e8fb9dc3cbe54024aedb877334157786 [2021-10-07 15:11:37,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:11:37,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 15:11:37,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:11:37,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:11:37,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:11:37,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:11:37" (1/1) ... [2021-10-07 15:11:37,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8eaa0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:37, skipping insertion in model container [2021-10-07 15:11:37,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:11:37" (1/1) ... [2021-10-07 15:11:37,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:11:37,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:11:37,930 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/test-easy10.wvr.c[2558,2571] [2021-10-07 15:11:37,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:11:37,954 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:11:37,985 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/test-easy10.wvr.c[2558,2571] [2021-10-07 15:11:37,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:11:38,005 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:11:38,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38 WrapperNode [2021-10-07 15:11:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:11:38,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:11:38,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:11:38,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:11:38,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:11:38,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:11:38,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:11:38,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:11:38,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:11:38,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:11:38,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:11:38,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:11:38,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (1/1) ... [2021-10-07 15:11:38,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:11:38,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:11:38,142 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 15:11:38,161 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 15:11:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:11:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:11:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:11:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:11:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:11:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:11:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-07 15:11:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-07 15:11:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 15:11:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:11:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 15:11:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:11:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:11:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 15:11:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:11:38,241 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 15:11:38,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:11:38,711 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-07 15:11:38,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:11:38 BoogieIcfgContainer [2021-10-07 15:11:38,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:11:38,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:11:38,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:11:38,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:11:38,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:11:37" (1/3) ... [2021-10-07 15:11:38,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e40c03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:11:38, skipping insertion in model container [2021-10-07 15:11:38,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:38" (2/3) ... [2021-10-07 15:11:38,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e40c03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:11:38, skipping insertion in model container [2021-10-07 15:11:38,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:11:38" (3/3) ... [2021-10-07 15:11:38,723 INFO L111 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2021-10-07 15:11:38,759 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 15:11:38,760 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:11:38,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-07 15:11:38,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e40c03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:11:38, skipping insertion in model container [2021-10-07 15:11:38,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:11:38,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 15:11:38,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 15:11:38,764 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 15:11:38,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:11:38" (3/3) ... [2021-10-07 15:11:38,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-07 15:11:38,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-07 15:11:38,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-07 15:11:38,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-07 15:11:38,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-10-07 15:11:38,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-07 15:11:38,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-07 15:11:38,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 15:11:38,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 15:11:38,855 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/test-easy10.wvr.c-witness.graphml [2021-10-07 15:11:38,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 15:11:38,858 INFO L168 Benchmark]: Toolchain (without parser) took 1192.06 ms. Allocated memory is still 169.9 MB. Free memory was 144.6 MB in the beginning and 147.9 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:11:38,859 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 169.9 MB. Free memory is still 139.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:11:38,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.12 ms. Allocated memory is still 169.9 MB. Free memory was 144.3 MB in the beginning and 133.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 169.9 MB. Free memory was 133.0 MB in the beginning and 131.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,864 INFO L168 Benchmark]: Boogie Preprocessor took 31.00 ms. Allocated memory is still 169.9 MB. Free memory was 131.0 MB in the beginning and 129.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,870 INFO L168 Benchmark]: RCFGBuilder took 623.11 ms. Allocated memory is still 169.9 MB. Free memory was 129.6 MB in the beginning and 115.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,871 INFO L168 Benchmark]: TraceAbstraction took 47.28 ms. Allocated memory is still 169.9 MB. Free memory was 115.2 MB in the beginning and 151.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,871 INFO L168 Benchmark]: Witness Printer took 92.01 ms. Allocated memory is still 169.9 MB. Free memory was 151.6 MB in the beginning and 147.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-10-07 15:11:38,877 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 169.9 MB. Free memory is still 139.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 332.12 ms. Allocated memory is still 169.9 MB. Free memory was 144.3 MB in the beginning and 133.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 169.9 MB. Free memory was 133.0 MB in the beginning and 131.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.00 ms. Allocated memory is still 169.9 MB. Free memory was 131.0 MB in the beginning and 129.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 623.11 ms. Allocated memory is still 169.9 MB. Free memory was 129.6 MB in the beginning and 115.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47.28 ms. Allocated memory is still 169.9 MB. Free memory was 115.2 MB in the beginning and 151.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * Witness Printer took 92.01 ms. Allocated memory is still 169.9 MB. Free memory was 151.6 MB in the beginning and 147.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 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 15:11:38,927 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...