/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/chl/sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:17:50,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:17:50,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:17:50,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 16:17:50,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 16:17:50,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 16:17:50,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 16:17:50,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 16:17:50,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 16:17:50,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 16:17:50,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 16:17:50,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 16:17:50,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:17:50,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:17:50,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:17:50,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:17:50,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:17:50,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:17:50,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:17:50,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:17:50,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:17:50,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:17:50,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:17:50,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:17:50,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 16:17:50,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 16:17:50,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 16:17:50,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 16:17:50,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 16:17:50,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 16:17:50,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 16:17:50,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 16:17:50,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 16:17:50,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 16:17:50,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 16:17:50,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 16:17:50,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 16:17:50,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 16:17:50,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:17:50,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:17:50,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:17:50,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-06 16:17:50,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:17:50,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:17:50,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:17:50,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:17:50,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:17:50,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:17:50,289 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:17:50,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:17:50,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:17:50,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 16:17:50,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:17:50,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:17:50,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:17:50,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:17:50,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:17:50,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:17:50,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-06 16:17:50,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:17:50,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:17:50,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:17:50,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:17:50,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:17:50,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:17:50,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:17:50,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:50,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:17:50,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:17:50,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:17:50,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:17:50,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:17:50,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:17:50,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 16:17:50,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:17:50,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:17:50,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:17:50,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:17:50,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:17:50,677 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:17:50,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/sre-subst.wvr.c [2021-10-06 16:17:50,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597573691/20cf4c6bbb974dc5890a1dd737d38abe/FLAG8f00175c4 [2021-10-06 16:17:51,406 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:17:51,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/sre-subst.wvr.c [2021-10-06 16:17:51,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597573691/20cf4c6bbb974dc5890a1dd737d38abe/FLAG8f00175c4 [2021-10-06 16:17:51,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/597573691/20cf4c6bbb974dc5890a1dd737d38abe [2021-10-06 16:17:51,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:17:51,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:17:51,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:51,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:17:51,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:17:51,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:51" (1/1) ... [2021-10-06 16:17:51,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e74045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:51, skipping insertion in model container [2021-10-06 16:17:51,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:51" (1/1) ... [2021-10-06 16:17:51,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:17:51,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:17:51,990 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/chl/sre-subst.wvr.c[2277,2290] [2021-10-06 16:17:51,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:52,002 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:17:52,028 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/chl/sre-subst.wvr.c[2277,2290] [2021-10-06 16:17:52,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:52,046 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:17:52,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52 WrapperNode [2021-10-06 16:17:52,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:52,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:52,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:17:52,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:17:52,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:52,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:17:52,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:17:52,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:17:52,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:17:52,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:17:52,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:17:52,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:17:52,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (1/1) ... [2021-10-06 16:17:52,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:52,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:52,158 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) [2021-10-06 16:17:52,165 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 [2021-10-06 16:17:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:17:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:17:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:17:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:17:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:17:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:17:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:17:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:17:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:17:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:17:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:17:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:17:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:17:52,246 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:17:52,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:17:52,670 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-06 16:17:52,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:52 BoogieIcfgContainer [2021-10-06 16:17:52,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:17:52,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:17:52,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:17:52,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:17:52,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:17:51" (1/3) ... [2021-10-06 16:17:52,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f46a0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:52, skipping insertion in model container [2021-10-06 16:17:52,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:52" (2/3) ... [2021-10-06 16:17:52,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f46a0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:52, skipping insertion in model container [2021-10-06 16:17:52,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:52" (3/3) ... [2021-10-06 16:17:52,685 INFO L111 eAbstractionObserver]: Analyzing ICFG sre-subst.wvr.c [2021-10-06 16:17:52,692 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:17:52,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:17:52,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-06 16:17:52,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f46a0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:17:52, skipping insertion in model container [2021-10-06 16:17:52,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:17:52,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:17:52,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:17:52,696 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:17:52,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:52" (3/3) ... [2021-10-06 16:17:52,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-06 16:17:52,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-06 16:17:52,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-06 16:17:52,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-06 16:17:52,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-06 16:17:52,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-06 16:17:52,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-06 16:17:52,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-06 16:17:52,768 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/sre-subst.wvr.c-witness.graphml [2021-10-06 16:17:52,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:17:52,771 INFO L168 Benchmark]: Toolchain (without parser) took 1050.30 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 95.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,771 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:17:52,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,773 INFO L168 Benchmark]: Boogie Preprocessor took 26.39 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 112.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,774 INFO L168 Benchmark]: RCFGBuilder took 555.11 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 100.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,775 INFO L168 Benchmark]: TraceAbstraction took 20.26 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 99.0 MB in the end (delta: 909.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,775 INFO L168 Benchmark]: Witness Printer took 72.41 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 95.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:52,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 318.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.39 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 112.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 555.11 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 100.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20.26 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 99.0 MB in the end (delta: 909.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Witness Printer took 72.41 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 95.9 MB in the end (delta: 2.9 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! [2021-10-06 16:17:52,833 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...