/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 03:05:36,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:05:36,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:05:36,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 03:05:36,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 03:05:36,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 03:05:36,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 03:05:36,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 03:05:36,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 03:05:36,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 03:05:36,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 03:05:36,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 03:05:36,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:05:36,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:05:36,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:05:36,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:05:36,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:05:36,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:05:36,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:05:36,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:05:36,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:05:36,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:05:36,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:05:36,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:05:36,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 03:05:36,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 03:05:36,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 03:05:36,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 03:05:36,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 03:05:36,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 03:05:36,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 03:05:36,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 03:05:36,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 03:05:36,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 03:05:36,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 03:05:36,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 03:05:36,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 03:05:36,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 03:05:36,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:05:36,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:05:36,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:05:36,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 03:05:36,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:05:36,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:05:36,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:05:36,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:05:36,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:05:36,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:05:36,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:05:36,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:05:36,302 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:05:36,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:05:36,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:05:36,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:05:36,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:05:36,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:05:36,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:05:36,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:05:36,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:05:36,306 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:05:36,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:05:36,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:05:36,306 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:05:36,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:05:36,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:05:36,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:05:36,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:05:36,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 03:05:36,558 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 03:05:36,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2022-02-20 03:05:36,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8883a24/ba504e948d4d41e1b9e8fff3c8619935/FLAG51c1d8e8d [2022-02-20 03:05:37,042 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 03:05:37,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2022-02-20 03:05:37,043 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-20 03:05:37,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8883a24/ba504e948d4d41e1b9e8fff3c8619935/FLAG51c1d8e8d [2022-02-20 03:05:37,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8883a24/ba504e948d4d41e1b9e8fff3c8619935 [2022-02-20 03:05:37,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:05:37,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 03:05:37,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 03:05:37,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 03:05:37,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 03:05:37,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a62ff5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37, skipping insertion in model container [2022-02-20 03:05:37,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 03:05:37,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 03:05:37,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 03:05:37,230 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 03:05:37,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 03:05:37,245 INFO L208 MainTranslator]: Completed translation [2022-02-20 03:05:37,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37 WrapperNode [2022-02-20 03:05:37,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 03:05:37,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:05:37,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:05:37,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:05:37,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,266 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-02-20 03:05:37,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:05:37,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:05:37,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:05:37,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:05:37,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:05:37,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:05:37,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:05:37,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:05:37,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (1/1) ... [2022-02-20 03:05:37,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:05:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:05:37,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 03:05:37,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 03:05:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 03:05:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 03:05:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 03:05:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-20 03:05:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-20 03:05:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:05:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:05:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 03:05:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 03:05:37,366 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:05:37,420 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:05:37,422 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:05:37,545 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:05:37,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:05:37,557 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 03:05:37,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:05:37 BoogieIcfgContainer [2022-02-20 03:05:37,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:05:37,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:05:37,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:05:37,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:05:37,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 03:05:37" (1/3) ... [2022-02-20 03:05:37,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6a63f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:05:37, skipping insertion in model container [2022-02-20 03:05:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:05:37" (2/3) ... [2022-02-20 03:05:37,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6a63f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:05:37, skipping insertion in model container [2022-02-20 03:05:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:05:37" (3/3) ... [2022-02-20 03:05:37,581 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2022-02-20 03:05:37,584 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:05:37,584 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:05:37,585 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 03:05:37,585 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:05:37,628 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,629 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,630 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,630 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,630 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,630 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,631 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,633 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,634 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,634 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:05:37,635 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 03:05:37,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:05:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:05:37,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 03:05:37,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 03:05:37,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:05:37,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 03:05:37,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 03:05:37,762 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 38 transitions and produced 39 states. [2022-02-20 03:05:37,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-20 03:05:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:05:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1416729646, now seen corresponding path program 1 times [2022-02-20 03:05:37,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:05:37,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824799784] [2022-02-20 03:05:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:05:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:05:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:05:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:05:37,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:05:37,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824799784] [2022-02-20 03:05:37,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824799784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 03:05:37,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 03:05:37,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 03:05:37,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276486177] [2022-02-20 03:05:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 03:05:37,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 03:05:37,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:05:37,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 03:05:37,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 03:05:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:37,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:05:37,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:05:37,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:37,944 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55 transitions and produced 53 states. [2022-02-20 03:05:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:37,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 03:05:37,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-20 03:05:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:05:37,947 INFO L85 PathProgramCache]: Analyzing trace with hash -25800662, now seen corresponding path program 1 times [2022-02-20 03:05:37,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:05:37,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703683488] [2022-02-20 03:05:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:05:37,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:05:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:05:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-20 03:05:38,019 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:05:38,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703683488] [2022-02-20 03:05:38,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703683488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 03:05:38,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 03:05:38,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 03:05:38,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450029027] [2022-02-20 03:05:38,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 03:05:38,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 03:05:38,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:05:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 03:05:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 03:05:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:05:38,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:05:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,089 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 145 transitions and produced 107 states. [2022-02-20 03:05:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 03:05:38,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 03:05:38,090 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-20 03:05:38,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:05:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1287075690, now seen corresponding path program 2 times [2022-02-20 03:05:38,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:05:38,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008106348] [2022-02-20 03:05:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:05:38,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:05:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:05:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-20 03:05:38,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:05:38,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008106348] [2022-02-20 03:05:38,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008106348] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 03:05:38,157 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 03:05:38,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 03:05:38,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846008708] [2022-02-20 03:05:38,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 03:05:38,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 03:05:38,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:05:38,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 03:05:38,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 03:05:38,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,158 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:05:38,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:05:38,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 03:05:38,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,197 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 123 transitions and produced 99 states. [2022-02-20 03:05:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:05:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 03:05:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 03:05:38,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 03:05:38,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 03:05:38,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-02-20 03:05:38,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 03:05:38,209 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1] [2022-02-20 03:05:38,212 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 03:05:38,212 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 03:05:38,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:05:38 BasicIcfg [2022-02-20 03:05:38,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 03:05:38,214 INFO L158 Benchmark]: Toolchain (without parser) took 1131.24ms. Allocated memory is still 215.0MB. Free memory was 186.7MB in the beginning and 133.0MB in the end (delta: 53.7MB). Peak memory consumption was 52.3MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,215 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 215.0MB. Free memory is still 177.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:05:38,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.39ms. Allocated memory is still 215.0MB. Free memory was 186.5MB in the beginning and 187.0MB in the end (delta: -502.7kB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.20ms. Allocated memory is still 215.0MB. Free memory was 186.7MB in the beginning and 185.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,218 INFO L158 Benchmark]: Boogie Preprocessor took 18.51ms. Allocated memory is still 215.0MB. Free memory was 185.4MB in the beginning and 184.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,219 INFO L158 Benchmark]: RCFGBuilder took 272.13ms. Allocated memory is still 215.0MB. Free memory was 184.3MB in the beginning and 174.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,219 INFO L158 Benchmark]: TraceAbstraction took 637.61ms. Allocated memory is still 215.0MB. Free memory was 173.9MB in the beginning and 133.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-02-20 03:05:38,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 215.0MB. Free memory is still 177.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 162.39ms. Allocated memory is still 215.0MB. Free memory was 186.5MB in the beginning and 187.0MB in the end (delta: -502.7kB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.20ms. Allocated memory is still 215.0MB. Free memory was 186.7MB in the beginning and 185.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.51ms. Allocated memory is still 215.0MB. Free memory was 185.4MB in the beginning and 184.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 272.13ms. Allocated memory is still 215.0MB. Free memory was 184.3MB in the beginning and 174.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 637.61ms. Allocated memory is still 215.0MB. Free memory was 173.9MB in the beginning and 133.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-20 03:05:38,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-20 03:05:38,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...