/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 03:18:14,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 03:18:14,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 03:18:14,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 03:18:14,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 03:18:14,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 03:18:14,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 03:18:14,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 03:18:14,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 03:18:14,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 03:18:14,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 03:18:14,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 03:18:14,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 03:18:14,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 03:18:14,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 03:18:14,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 03:18:14,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 03:18:14,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 03:18:14,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 03:18:14,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 03:18:14,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 03:18:14,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 03:18:14,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 03:18:14,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 03:18:14,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 03:18:14,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 03:18:14,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 03:18:14,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 03:18:14,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 03:18:14,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 03:18:14,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 03:18:14,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 03:18:14,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 03:18:14,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 03:18:14,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 03:18:14,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 03:18:14,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 03:18:14,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 03:18:14,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 03:18:14,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 03:18:14,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 03:18:14,266 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-FA-NoLbe.epf [2020-04-18 03:18:14,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 03:18:14,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 03:18:14,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 03:18:14,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 03:18:14,282 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 03:18:14,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 03:18:14,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 03:18:14,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 03:18:14,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 03:18:14,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 03:18:14,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 03:18:14,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 03:18:14,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 03:18:14,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 03:18:14,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 03:18:14,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 03:18:14,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 03:18:14,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 03:18:14,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 03:18:14,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 03:18:14,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 03:18:14,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 03:18:14,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 03:18:14,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 03:18:14,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 03:18:14,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 03:18:14,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 03:18:14,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 03:18:14,596 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 03:18:14,597 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 03:18:14,597 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-04-18 03:18:14,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ce92f1ca/a89e65594fe145bd9e0c39106be76852/FLAG5727471d2 [2020-04-18 03:18:15,223 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 03:18:15,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-04-18 03:18:15,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ce92f1ca/a89e65594fe145bd9e0c39106be76852/FLAG5727471d2 [2020-04-18 03:18:15,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ce92f1ca/a89e65594fe145bd9e0c39106be76852 [2020-04-18 03:18:15,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 03:18:15,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 03:18:15,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 03:18:15,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 03:18:15,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 03:18:15,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:18:15" (1/1) ... [2020-04-18 03:18:15,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21643b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:15, skipping insertion in model container [2020-04-18 03:18:15,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:18:15" (1/1) ... [2020-04-18 03:18:15,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 03:18:15,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 03:18:16,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 03:18:16,061 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 03:18:16,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 03:18:16,199 INFO L208 MainTranslator]: Completed translation [2020-04-18 03:18:16,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16 WrapperNode [2020-04-18 03:18:16,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 03:18:16,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 03:18:16,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 03:18:16,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 03:18:16,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 03:18:16,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 03:18:16,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 03:18:16,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 03:18:16,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... [2020-04-18 03:18:16,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 03:18:16,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 03:18:16,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 03:18:16,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 03:18:16,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 03:18:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 03:18:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 03:18:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-04-18 03:18:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-04-18 03:18:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 03:18:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 03:18:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 03:18:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 03:18:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-04-18 03:18:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-04-18 03:18:16,376 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 03:18:16,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 03:18:16,965 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-04-18 03:18:16,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:18:16 BoogieIcfgContainer [2020-04-18 03:18:16,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 03:18:16,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 03:18:16,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 03:18:16,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 03:18:16,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:18:15" (1/3) ... [2020-04-18 03:18:16,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a59782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:18:16, skipping insertion in model container [2020-04-18 03:18:16,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:18:16" (2/3) ... [2020-04-18 03:18:16,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a59782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:18:16, skipping insertion in model container [2020-04-18 03:18:16,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:18:16" (3/3) ... [2020-04-18 03:18:16,979 INFO L109 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2020-04-18 03:18:16,991 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 03:18:16,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 03:18:17,000 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 03:18:17,001 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 03:18:17,033 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,034 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,034 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,034 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,035 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,035 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,035 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,036 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,036 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,036 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,037 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,037 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,037 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,038 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,038 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,038 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,038 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,039 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,039 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,039 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,040 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,040 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,040 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,041 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,041 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,041 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,042 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,042 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,042 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,042 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,043 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,043 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,043 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,043 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,043 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,044 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,044 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,044 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,050 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,051 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,051 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,052 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,053 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,053 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,056 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,056 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,056 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,056 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,057 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,057 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,057 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,059 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,059 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,060 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,060 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,060 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,060 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,065 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,065 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,065 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,066 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,066 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,066 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,066 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:18:17,121 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 03:18:17,138 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 03:18:17,138 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 03:18:17,138 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 03:18:17,138 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 03:18:17,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 03:18:17,138 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 03:18:17,139 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 03:18:17,139 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 03:18:17,158 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 100 transitions, 268 flow [2020-04-18 03:18:20,505 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34510 states. [2020-04-18 03:18:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 34510 states. [2020-04-18 03:18:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 03:18:20,519 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:20,520 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:20,521 INFO L427 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:20,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1170624771, now seen corresponding path program 1 times [2020-04-18 03:18:20,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:20,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513063586] [2020-04-18 03:18:20,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:20,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513063586] [2020-04-18 03:18:20,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:20,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 03:18:20,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152869228] [2020-04-18 03:18:20,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 03:18:20,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:20,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 03:18:20,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 03:18:20,867 INFO L87 Difference]: Start difference. First operand 34510 states. Second operand 4 states. [2020-04-18 03:18:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:22,513 INFO L93 Difference]: Finished difference Result 74769 states and 285909 transitions. [2020-04-18 03:18:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 03:18:22,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-04-18 03:18:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:23,203 INFO L225 Difference]: With dead ends: 74769 [2020-04-18 03:18:23,203 INFO L226 Difference]: Without dead ends: 56364 [2020-04-18 03:18:23,206 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56364 states. [2020-04-18 03:18:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56364 to 32253. [2020-04-18 03:18:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32253 states. [2020-04-18 03:18:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 126075 transitions. [2020-04-18 03:18:26,322 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 126075 transitions. Word has length 25 [2020-04-18 03:18:26,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:26,323 INFO L479 AbstractCegarLoop]: Abstraction has 32253 states and 126075 transitions. [2020-04-18 03:18:26,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 03:18:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 126075 transitions. [2020-04-18 03:18:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-04-18 03:18:26,328 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:26,329 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:26,329 INFO L427 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:26,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1949369882, now seen corresponding path program 1 times [2020-04-18 03:18:26,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:26,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899913853] [2020-04-18 03:18:26,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:26,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899913853] [2020-04-18 03:18:26,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:26,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 03:18:26,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618278993] [2020-04-18 03:18:26,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:18:26,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:18:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:18:26,417 INFO L87 Difference]: Start difference. First operand 32253 states and 126075 transitions. Second operand 3 states. [2020-04-18 03:18:26,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:26,890 INFO L93 Difference]: Finished difference Result 30204 states and 113370 transitions. [2020-04-18 03:18:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:18:26,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-04-18 03:18:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:27,070 INFO L225 Difference]: With dead ends: 30204 [2020-04-18 03:18:27,071 INFO L226 Difference]: Without dead ends: 29844 [2020-04-18 03:18:27,072 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:18:27,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29844 states. [2020-04-18 03:18:29,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29844 to 29844. [2020-04-18 03:18:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29844 states. [2020-04-18 03:18:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29844 states to 29844 states and 112008 transitions. [2020-04-18 03:18:29,410 INFO L78 Accepts]: Start accepts. Automaton has 29844 states and 112008 transitions. Word has length 28 [2020-04-18 03:18:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:29,410 INFO L479 AbstractCegarLoop]: Abstraction has 29844 states and 112008 transitions. [2020-04-18 03:18:29,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:18:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29844 states and 112008 transitions. [2020-04-18 03:18:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-04-18 03:18:29,413 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:29,413 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:29,413 INFO L427 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:29,414 INFO L82 PathProgramCache]: Analyzing trace with hash -606548066, now seen corresponding path program 2 times [2020-04-18 03:18:29,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:29,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505813550] [2020-04-18 03:18:29,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:29,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505813550] [2020-04-18 03:18:29,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:29,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 03:18:29,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816609147] [2020-04-18 03:18:29,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 03:18:29,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:29,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 03:18:29,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 03:18:29,506 INFO L87 Difference]: Start difference. First operand 29844 states and 112008 transitions. Second operand 4 states. [2020-04-18 03:18:29,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:29,905 INFO L93 Difference]: Finished difference Result 28428 states and 99226 transitions. [2020-04-18 03:18:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 03:18:29,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-04-18 03:18:29,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:29,985 INFO L225 Difference]: With dead ends: 28428 [2020-04-18 03:18:29,985 INFO L226 Difference]: Without dead ends: 26988 [2020-04-18 03:18:29,985 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 03:18:30,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26988 states. [2020-04-18 03:18:30,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26988 to 22107. [2020-04-18 03:18:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22107 states. [2020-04-18 03:18:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22107 states to 22107 states and 78159 transitions. [2020-04-18 03:18:30,642 INFO L78 Accepts]: Start accepts. Automaton has 22107 states and 78159 transitions. Word has length 28 [2020-04-18 03:18:30,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:30,643 INFO L479 AbstractCegarLoop]: Abstraction has 22107 states and 78159 transitions. [2020-04-18 03:18:30,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 03:18:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 22107 states and 78159 transitions. [2020-04-18 03:18:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-04-18 03:18:30,648 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:30,649 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:30,649 INFO L427 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:30,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:30,649 INFO L82 PathProgramCache]: Analyzing trace with hash 556539335, now seen corresponding path program 1 times [2020-04-18 03:18:30,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:30,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739625331] [2020-04-18 03:18:30,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:30,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739625331] [2020-04-18 03:18:30,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:30,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 03:18:30,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401040879] [2020-04-18 03:18:30,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 03:18:30,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:30,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 03:18:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 03:18:30,701 INFO L87 Difference]: Start difference. First operand 22107 states and 78159 transitions. Second operand 4 states. [2020-04-18 03:18:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:31,220 INFO L93 Difference]: Finished difference Result 23262 states and 80970 transitions. [2020-04-18 03:18:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 03:18:31,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-04-18 03:18:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:31,261 INFO L225 Difference]: With dead ends: 23262 [2020-04-18 03:18:31,261 INFO L226 Difference]: Without dead ends: 15264 [2020-04-18 03:18:31,262 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15264 states. [2020-04-18 03:18:31,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15264 to 12876. [2020-04-18 03:18:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12876 states. [2020-04-18 03:18:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12876 states to 12876 states and 44642 transitions. [2020-04-18 03:18:31,555 INFO L78 Accepts]: Start accepts. Automaton has 12876 states and 44642 transitions. Word has length 31 [2020-04-18 03:18:31,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:31,556 INFO L479 AbstractCegarLoop]: Abstraction has 12876 states and 44642 transitions. [2020-04-18 03:18:31,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 03:18:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 12876 states and 44642 transitions. [2020-04-18 03:18:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-04-18 03:18:31,572 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:31,572 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:31,572 INFO L427 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:31,572 INFO L82 PathProgramCache]: Analyzing trace with hash -264852827, now seen corresponding path program 1 times [2020-04-18 03:18:31,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:31,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817018816] [2020-04-18 03:18:31,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:31,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817018816] [2020-04-18 03:18:31,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:31,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 03:18:31,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559085527] [2020-04-18 03:18:31,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 03:18:31,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:31,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 03:18:31,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:31,679 INFO L87 Difference]: Start difference. First operand 12876 states and 44642 transitions. Second operand 5 states. [2020-04-18 03:18:31,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:31,790 INFO L93 Difference]: Finished difference Result 15468 states and 52970 transitions. [2020-04-18 03:18:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 03:18:31,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-04-18 03:18:31,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:31,815 INFO L225 Difference]: With dead ends: 15468 [2020-04-18 03:18:31,815 INFO L226 Difference]: Without dead ends: 13128 [2020-04-18 03:18:31,816 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:31,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13128 states. [2020-04-18 03:18:32,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13128 to 11976. [2020-04-18 03:18:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11976 states. [2020-04-18 03:18:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11976 states to 11976 states and 40922 transitions. [2020-04-18 03:18:32,035 INFO L78 Accepts]: Start accepts. Automaton has 11976 states and 40922 transitions. Word has length 41 [2020-04-18 03:18:32,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:32,035 INFO L479 AbstractCegarLoop]: Abstraction has 11976 states and 40922 transitions. [2020-04-18 03:18:32,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 03:18:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 11976 states and 40922 transitions. [2020-04-18 03:18:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-04-18 03:18:32,047 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:18:32,047 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:18:32,048 INFO L427 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 03:18:32,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:18:32,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1481590365, now seen corresponding path program 1 times [2020-04-18 03:18:32,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:18:32,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758597138] [2020-04-18 03:18:32,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:18:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:18:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:18:32,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758597138] [2020-04-18 03:18:32,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:18:32,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 03:18:32,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087577590] [2020-04-18 03:18:32,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 03:18:32,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:18:32,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 03:18:32,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:32,130 INFO L87 Difference]: Start difference. First operand 11976 states and 40922 transitions. Second operand 5 states. [2020-04-18 03:18:32,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:18:32,179 INFO L93 Difference]: Finished difference Result 5832 states and 19050 transitions. [2020-04-18 03:18:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 03:18:32,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-04-18 03:18:32,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:18:32,180 INFO L225 Difference]: With dead ends: 5832 [2020-04-18 03:18:32,180 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 03:18:32,181 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 03:18:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 03:18:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 03:18:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 03:18:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 03:18:32,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-04-18 03:18:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:18:32,182 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 03:18:32,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 03:18:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 03:18:32,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 03:18:32,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:18:32 BasicIcfg [2020-04-18 03:18:32,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 03:18:32,201 INFO L168 Benchmark]: Toolchain (without parser) took 16680.21 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 101.5 MB in the beginning and 208.5 MB in the end (delta: -107.0 MB). Peak memory consumption was 941.1 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,202 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.01 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 162.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 203.4 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,207 INFO L168 Benchmark]: Boogie Preprocessor took 27.82 ms. Allocated memory is still 203.4 MB. Free memory was 160.1 MB in the beginning and 158.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,208 INFO L168 Benchmark]: RCFGBuilder took 676.02 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 125.9 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,209 INFO L168 Benchmark]: TraceAbstraction took 15220.75 ms. Allocated memory was 203.4 MB in the beginning and 1.2 GB in the end (delta: 989.9 MB). Free memory was 125.2 MB in the beginning and 208.5 MB in the end (delta: -83.2 MB). Peak memory consumption was 906.6 MB. Max. memory is 7.1 GB. [2020-04-18 03:18:32,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.01 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 162.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 203.4 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.82 ms. Allocated memory is still 203.4 MB. Free memory was 160.1 MB in the beginning and 158.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 676.02 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 125.9 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15220.75 ms. Allocated memory was 203.4 MB in the beginning and 1.2 GB in the end (delta: 989.9 MB). Free memory was 125.2 MB in the beginning and 208.5 MB in the end (delta: -83.2 MB). Peak memory consumption was 906.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 836 SDtfs, 713 SDslu, 1048 SDs, 0 SdLazy, 166 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34510occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 32532 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 12712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...