/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 19:20:51,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 19:20:51,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 19:20:51,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 19:20:51,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 19:20:51,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 19:20:51,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 19:20:51,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 19:20:51,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 19:20:51,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 19:20:51,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 19:20:51,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 19:20:51,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 19:20:52,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 19:20:52,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 19:20:52,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 19:20:52,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 19:20:52,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 19:20:52,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 19:20:52,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 19:20:52,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 19:20:52,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 19:20:52,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 19:20:52,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 19:20:52,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 19:20:52,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 19:20:52,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 19:20:52,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 19:20:52,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 19:20:52,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 19:20:52,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 19:20:52,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 19:20:52,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 19:20:52,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 19:20:52,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 19:20:52,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 19:20:52,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 19:20:52,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 19:20:52,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 19:20:52,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 19:20:52,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 19:20:52,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-13 19:20:52,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 19:20:52,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 19:20:52,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 19:20:52,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 19:20:52,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 19:20:52,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 19:20:52,131 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 19:20:52,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 19:20:52,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 19:20:52,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 19:20:52,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 19:20:52,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 19:20:52,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 19:20:52,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 19:20:52,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 19:20:52,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 19:20:52,135 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 19:20:52,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 19:20:52,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 19:20:52,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 19:20:52,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 19:20:52,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 19:20:52,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 19:20:52,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 19:20:52,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:20:52,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 19:20:52,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 19:20:52,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 19:20:52,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 19:20:52,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 19:20:52,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 19:20:52,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 19:20:52,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 19:20:52,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 19:20:52,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 19:20:52,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 19:20:52,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 19:20:52,632 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 19:20:52,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2021-10-13 19:20:52,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17128c17f/990b14aa3f594d1f93c1362a1ac5c68c/FLAGa9290e42a [2021-10-13 19:20:53,395 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 19:20:53,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2021-10-13 19:20:53,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17128c17f/990b14aa3f594d1f93c1362a1ac5c68c/FLAGa9290e42a [2021-10-13 19:20:53,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17128c17f/990b14aa3f594d1f93c1362a1ac5c68c [2021-10-13 19:20:53,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 19:20:53,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 19:20:53,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 19:20:53,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 19:20:53,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 19:20:53,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:53" (1/1) ... [2021-10-13 19:20:53,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f8367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:53, skipping insertion in model container [2021-10-13 19:20:53,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:53" (1/1) ... [2021-10-13 19:20:53,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 19:20:53,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:20:54,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2161,2174] [2021-10-13 19:20:54,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:20:54,040 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 19:20:54,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c[2161,2174] [2021-10-13 19:20:54,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:20:54,111 INFO L208 MainTranslator]: Completed translation [2021-10-13 19:20:54,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54 WrapperNode [2021-10-13 19:20:54,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 19:20:54,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 19:20:54,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 19:20:54,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 19:20:54,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 19:20:54,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 19:20:54,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 19:20:54,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 19:20:54,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 19:20:54,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 19:20:54,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 19:20:54,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 19:20:54,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (1/1) ... [2021-10-13 19:20:54,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:20:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:20:54,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 19:20:54,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 19:20:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 19:20:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 19:20:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 19:20:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 19:20:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 19:20:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 19:20:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 19:20:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 19:20:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 19:20:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 19:20:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 19:20:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 19:20:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 19:20:54,357 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 19:20:54,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 19:20:54,798 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 19:20:54,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:54 BoogieIcfgContainer [2021-10-13 19:20:54,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 19:20:54,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 19:20:54,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 19:20:54,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 19:20:54,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:53" (1/3) ... [2021-10-13 19:20:54,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8d8149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:54, skipping insertion in model container [2021-10-13 19:20:54,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:54" (2/3) ... [2021-10-13 19:20:54,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8d8149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:54, skipping insertion in model container [2021-10-13 19:20:54,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:54" (3/3) ... [2021-10-13 19:20:54,810 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2021-10-13 19:20:54,816 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 19:20:54,816 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 19:20:54,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 19:20:54,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8d8149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:20:54, skipping insertion in model container [2021-10-13 19:20:54,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 19:20:54,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 19:20:54,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 19:20:54,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 19:20:54,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:54" (3/3) ... [2021-10-13 19:20:54,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 19:20:54,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-13 19:20:54,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-13 19:20:54,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-13 19:20:54,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 19:20:54,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:20:54,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:20:54,919 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-bad-threaded-sum-2.wvr.c-witness.graphml [2021-10-13 19:20:54,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 19:20:54,922 INFO L168 Benchmark]: Toolchain (without parser) took 1174.49 ms. Allocated memory is still 163.6 MB. Free memory was 139.1 MB in the beginning and 144.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,924 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory is still 134.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 19:20:54,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.47 ms. Allocated memory is still 163.6 MB. Free memory was 138.8 MB in the beginning and 128.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.46 ms. Allocated memory is still 163.6 MB. Free memory was 128.5 MB in the beginning and 126.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,928 INFO L168 Benchmark]: Boogie Preprocessor took 62.99 ms. Allocated memory is still 163.6 MB. Free memory was 126.9 MB in the beginning and 125.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,929 INFO L168 Benchmark]: RCFGBuilder took 562.45 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 112.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,929 INFO L168 Benchmark]: TraceAbstraction took 15.92 ms. Allocated memory is still 163.6 MB. Free memory was 112.3 MB in the beginning and 111.4 MB in the end (delta: 863.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,931 INFO L168 Benchmark]: Witness Printer took 100.57 ms. Allocated memory is still 163.6 MB. Free memory was 111.3 MB in the beginning and 144.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2021-10-13 19:20:54,939 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 163.6 MB. Free memory is still 134.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 359.47 ms. Allocated memory is still 163.6 MB. Free memory was 138.8 MB in the beginning and 128.5 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 58.46 ms. Allocated memory is still 163.6 MB. Free memory was 128.5 MB in the beginning and 126.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.99 ms. Allocated memory is still 163.6 MB. Free memory was 126.9 MB in the beginning and 125.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 562.45 ms. Allocated memory is still 163.6 MB. Free memory was 125.6 MB in the beginning and 112.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15.92 ms. Allocated memory is still 163.6 MB. Free memory was 112.3 MB in the beginning and 111.4 MB in the end (delta: 863.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Witness Printer took 100.57 ms. Allocated memory is still 163.6 MB. Free memory was 111.3 MB in the beginning and 144.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-13 19:20:54,990 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...