./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d5d738785469032c070cabc60204008ea544832 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:28:11,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:28:11,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:28:11,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:28:11,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:28:11,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:28:11,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:28:11,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:28:11,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:28:11,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:28:11,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:28:11,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:28:11,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:28:11,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:28:11,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:28:11,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:28:11,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:28:11,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:28:11,301 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:28:11,302 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:28:11,303 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:28:11,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:28:11,305 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:28:11,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:28:11,306 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:28:11,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:28:11,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:28:11,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:28:11,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:28:11,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:28:11,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:28:11,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:28:11,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:28:11,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:28:11,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:28:11,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:28:11,311 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:28:11,320 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:28:11,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:28:11,321 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:28:11,321 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:28:11,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:28:11,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:28:11,321 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:28:11,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:28:11,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:28:11,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:28:11,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:28:11,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:28:11,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:28:11,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:28:11,324 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:28:11,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:28:11,324 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:28:11,324 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:28:11,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:28:11,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:28:11,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-23 13:28:11,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:28:11,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:28:11,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:28:11,357 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:28:11,357 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:28:11,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-23 13:28:11,391 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/data/f8650e7f1/37adb23d4ba149dd9848d8d712a93bf8/FLAG31ea4fa10 [2018-11-23 13:28:11,824 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:28:11,824 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-23 13:28:11,831 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/data/f8650e7f1/37adb23d4ba149dd9848d8d712a93bf8/FLAG31ea4fa10 [2018-11-23 13:28:11,839 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/data/f8650e7f1/37adb23d4ba149dd9848d8d712a93bf8 [2018-11-23 13:28:11,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:28:11,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:28:11,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:28:11,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:28:11,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:28:11,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:11" (1/1) ... [2018-11-23 13:28:11,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e65e346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:11, skipping insertion in model container [2018-11-23 13:28:11,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:11" (1/1) ... [2018-11-23 13:28:11,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:28:11,884 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:28:12,079 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:28:12,088 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:28:12,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:28:12,193 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:28:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12 WrapperNode [2018-11-23 13:28:12,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:28:12,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:28:12,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:28:12,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:28:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:28:12,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:28:12,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:28:12,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:28:12,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... [2018-11-23 13:28:12,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:28:12,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:28:12,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:28:12,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:28:12,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/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 [2018-11-23 13:28:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:28:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:28:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 13:28:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 13:28:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:28:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:28:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:28:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:28:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:28:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:28:12,297 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:28:12,572 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:28:12,572 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 13:28:12,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:12 BoogieIcfgContainer [2018-11-23 13:28:12,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:28:12,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:28:12,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:28:12,576 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:28:12,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:28:11" (1/3) ... [2018-11-23 13:28:12,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168ccbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:12, skipping insertion in model container [2018-11-23 13:28:12,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:12" (2/3) ... [2018-11-23 13:28:12,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168ccbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:12, skipping insertion in model container [2018-11-23 13:28:12,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:12" (3/3) ... [2018-11-23 13:28:12,579 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i [2018-11-23 13:28:12,601 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,602 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,602 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,602 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,603 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,603 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,603 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,603 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,604 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,604 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,604 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,605 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:28:12,637 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:28:12,637 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:28:12,644 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 13:28:12,658 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 13:28:12,680 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:28:12,681 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:28:12,681 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:28:12,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:28:12,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:28:12,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:28:12,682 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:28:12,682 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:28:12,682 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:28:12,690 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 84 transitions [2018-11-23 13:28:12,736 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1154 states. [2018-11-23 13:28:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states. [2018-11-23 13:28:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:28:12,748 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:12,749 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:28:12,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:12,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:12,755 INFO L82 PathProgramCache]: Analyzing trace with hash -686332095, now seen corresponding path program 1 times [2018-11-23 13:28:12,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:12,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:12,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:12,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:28:12,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:12,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:12,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:28:12,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:28:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:28:12,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:28:12,880 INFO L87 Difference]: Start difference. First operand 1154 states. Second operand 2 states. [2018-11-23 13:28:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:12,913 INFO L93 Difference]: Finished difference Result 1154 states and 3405 transitions. [2018-11-23 13:28:12,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:28:12,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 13:28:12,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:12,932 INFO L225 Difference]: With dead ends: 1154 [2018-11-23 13:28:12,933 INFO L226 Difference]: Without dead ends: 1040 [2018-11-23 13:28:12,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:28:12,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2018-11-23 13:28:12,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2018-11-23 13:28:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2018-11-23 13:28:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 3099 transitions. [2018-11-23 13:28:13,005 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 3099 transitions. Word has length 21 [2018-11-23 13:28:13,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,005 INFO L480 AbstractCegarLoop]: Abstraction has 1040 states and 3099 transitions. [2018-11-23 13:28:13,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:28:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 3099 transitions. [2018-11-23 13:28:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:28:13,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,007 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:28:13,008 INFO L423 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1056508031, now seen corresponding path program 1 times [2018-11-23 13:28:13,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:28:13,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,067 INFO L87 Difference]: Start difference. First operand 1040 states and 3099 transitions. Second operand 3 states. [2018-11-23 13:28:13,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,113 INFO L93 Difference]: Finished difference Result 1055 states and 3072 transitions. [2018-11-23 13:28:13,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-23 13:28:13,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,119 INFO L225 Difference]: With dead ends: 1055 [2018-11-23 13:28:13,119 INFO L226 Difference]: Without dead ends: 857 [2018-11-23 13:28:13,120 INFO L631 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 [2018-11-23 13:28:13,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2018-11-23 13:28:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 803. [2018-11-23 13:28:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 13:28:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 2362 transitions. [2018-11-23 13:28:13,143 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 2362 transitions. Word has length 21 [2018-11-23 13:28:13,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,143 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 2362 transitions. [2018-11-23 13:28:13,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2362 transitions. [2018-11-23 13:28:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 13:28:13,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,145 INFO L402 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] [2018-11-23 13:28:13,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,146 INFO L82 PathProgramCache]: Analyzing trace with hash 843213921, now seen corresponding path program 1 times [2018-11-23 13:28:13,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:28:13,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,186 INFO L87 Difference]: Start difference. First operand 803 states and 2362 transitions. Second operand 3 states. [2018-11-23 13:28:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,214 INFO L93 Difference]: Finished difference Result 743 states and 2155 transitions. [2018-11-23 13:28:13,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-23 13:28:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,217 INFO L225 Difference]: With dead ends: 743 [2018-11-23 13:28:13,217 INFO L226 Difference]: Without dead ends: 530 [2018-11-23 13:28:13,217 INFO L631 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 [2018-11-23 13:28:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-23 13:28:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2018-11-23 13:28:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-23 13:28:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1532 transitions. [2018-11-23 13:28:13,231 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1532 transitions. Word has length 24 [2018-11-23 13:28:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,232 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 1532 transitions. [2018-11-23 13:28:13,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1532 transitions. [2018-11-23 13:28:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 13:28:13,233 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,234 INFO L402 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] [2018-11-23 13:28:13,234 INFO L423 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,234 INFO L82 PathProgramCache]: Analyzing trace with hash 443195090, now seen corresponding path program 1 times [2018-11-23 13:28:13,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:28:13,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,281 INFO L87 Difference]: Start difference. First operand 530 states and 1532 transitions. Second operand 3 states. [2018-11-23 13:28:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,345 INFO L93 Difference]: Finished difference Result 578 states and 1633 transitions. [2018-11-23 13:28:13,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 13:28:13,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,348 INFO L225 Difference]: With dead ends: 578 [2018-11-23 13:28:13,348 INFO L226 Difference]: Without dead ends: 464 [2018-11-23 13:28:13,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-11-23 13:28:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2018-11-23 13:28:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-23 13:28:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1269 transitions. [2018-11-23 13:28:13,359 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1269 transitions. Word has length 32 [2018-11-23 13:28:13,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,360 INFO L480 AbstractCegarLoop]: Abstraction has 464 states and 1269 transitions. [2018-11-23 13:28:13,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1269 transitions. [2018-11-23 13:28:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 13:28:13,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,361 INFO L402 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] [2018-11-23 13:28:13,362 INFO L423 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1467083516, now seen corresponding path program 2 times [2018-11-23 13:28:13,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:28:13,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,393 INFO L87 Difference]: Start difference. First operand 464 states and 1269 transitions. Second operand 3 states. [2018-11-23 13:28:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,446 INFO L93 Difference]: Finished difference Result 509 states and 1348 transitions. [2018-11-23 13:28:13,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 13:28:13,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,449 INFO L225 Difference]: With dead ends: 509 [2018-11-23 13:28:13,449 INFO L226 Difference]: Without dead ends: 482 [2018-11-23 13:28:13,449 INFO L631 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 [2018-11-23 13:28:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-11-23 13:28:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 464. [2018-11-23 13:28:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-23 13:28:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1224 transitions. [2018-11-23 13:28:13,462 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1224 transitions. Word has length 32 [2018-11-23 13:28:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,462 INFO L480 AbstractCegarLoop]: Abstraction has 464 states and 1224 transitions. [2018-11-23 13:28:13,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1224 transitions. [2018-11-23 13:28:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 13:28:13,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,464 INFO L402 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] [2018-11-23 13:28:13,464 INFO L423 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,465 INFO L82 PathProgramCache]: Analyzing trace with hash 896186436, now seen corresponding path program 3 times [2018-11-23 13:28:13,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,467 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:28:13,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,494 INFO L87 Difference]: Start difference. First operand 464 states and 1224 transitions. Second operand 3 states. [2018-11-23 13:28:13,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,536 INFO L93 Difference]: Finished difference Result 434 states and 1105 transitions. [2018-11-23 13:28:13,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 13:28:13,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,539 INFO L225 Difference]: With dead ends: 434 [2018-11-23 13:28:13,539 INFO L226 Difference]: Without dead ends: 434 [2018-11-23 13:28:13,539 INFO L631 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 [2018-11-23 13:28:13,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-23 13:28:13,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-23 13:28:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-23 13:28:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 1105 transitions. [2018-11-23 13:28:13,550 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 1105 transitions. Word has length 32 [2018-11-23 13:28:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,551 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 1105 transitions. [2018-11-23 13:28:13,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1105 transitions. [2018-11-23 13:28:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 13:28:13,552 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:28:13,552 INFO L402 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] [2018-11-23 13:28:13,553 INFO L423 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:28:13,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:28:13,553 INFO L82 PathProgramCache]: Analyzing trace with hash -222418620, now seen corresponding path program 4 times [2018-11-23 13:28:13,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:28:13,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:28:13,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,555 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:28:13,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:28:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:28:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:28:13,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:28:13,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:28:13,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:28:13,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:28:13,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,582 INFO L87 Difference]: Start difference. First operand 434 states and 1105 transitions. Second operand 3 states. [2018-11-23 13:28:13,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:28:13,623 INFO L93 Difference]: Finished difference Result 305 states and 788 transitions. [2018-11-23 13:28:13,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:28:13,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 13:28:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:28:13,624 INFO L225 Difference]: With dead ends: 305 [2018-11-23 13:28:13,624 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:28:13,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:28:13,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:28:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:28:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:28:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:28:13,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-23 13:28:13,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:28:13,625 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:28:13,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:28:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:28:13,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:28:13,632 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 13:28:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:28:13 BasicIcfg [2018-11-23 13:28:13,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:28:13,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:28:13,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:28:13,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:28:13,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:12" (3/4) ... [2018-11-23 13:28:13,639 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:28:13,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2018-11-23 13:28:13,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-11-23 13:28:13,648 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 13:28:13,648 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:28:13,680 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1183d1ec-ea69-4b80-befb-eb27183d5973/bin-2019/uautomizer/witness.graphml [2018-11-23 13:28:13,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:28:13,681 INFO L168 Benchmark]: Toolchain (without parser) took 1838.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.1 MB in the beginning and 930.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:28:13,682 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:28:13,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:28:13,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:28:13,683 INFO L168 Benchmark]: Boogie Preprocessor took 20.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:28:13,683 INFO L168 Benchmark]: RCFGBuilder took 329.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:28:13,684 INFO L168 Benchmark]: TraceAbstraction took 1060.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.1 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:28:13,684 INFO L168 Benchmark]: Witness Printer took 45.64 ms. Allocated memory is still 1.2 GB. Free memory is still 930.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:28:13,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1060.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.1 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.64 ms. Allocated memory is still 1.2 GB. Free memory is still 930.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 648]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 648]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 101 locations, 4 error locations. SAFE Result, 0.9s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 187 SDslu, 225 SDs, 0 SdLazy, 82 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1154occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 72 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 6313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...