./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/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 9d4406c344918291b80fcb1a8e1837c6660ae09c ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:53:41,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:53:41,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:53:41,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:53:41,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:53:41,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:53:41,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:53:41,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:53:41,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:53:41,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:53:41,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:53:41,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:53:41,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:53:41,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:53:41,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:53:41,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:53:41,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:53:41,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:53:41,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:53:41,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:53:41,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:53:41,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:53:41,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:53:41,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:53:41,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:53:41,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:53:41,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:53:41,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:53:41,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:53:41,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:53:41,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:53:41,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:53:41,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:53:41,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:53:41,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:53:41,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:53:41,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:53:41,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:53:41,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:53:41,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:53:41,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:53:41,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:53:42,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:53:42,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:53:42,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:53:42,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:53:42,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:53:42,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:53:42,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:53:42,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:53:42,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:53:42,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:53:42,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:53:42,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:53:42,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:53:42,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:53:42,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:53:42,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:53:42,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:53:42,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:53:42,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:53:42,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:53:42,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:53:42,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:53:42,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:53:42,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:53:42,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:53:42,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:53:42,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:53:42,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:53:42,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/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 -> 9d4406c344918291b80fcb1a8e1837c6660ae09c [2019-11-15 23:53:42,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:53:42,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:53:42,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:53:42,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:53:42,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:53:42,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2019-11-15 23:53:42,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/data/74509329e/955db132cb4243919e6c44ce9f2ffc98/FLAG7bf596042 [2019-11-15 23:53:42,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:53:42,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2019-11-15 23:53:42,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/data/74509329e/955db132cb4243919e6c44ce9f2ffc98/FLAG7bf596042 [2019-11-15 23:53:42,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/data/74509329e/955db132cb4243919e6c44ce9f2ffc98 [2019-11-15 23:53:42,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:53:42,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:53:42,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:53:42,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:53:42,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:53:42,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:53:42" (1/1) ... [2019-11-15 23:53:42,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abbaee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:42, skipping insertion in model container [2019-11-15 23:53:42,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:53:42" (1/1) ... [2019-11-15 23:53:42,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:53:42,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:53:43,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:53:43,374 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:53:43,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:53:43,516 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:53:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43 WrapperNode [2019-11-15 23:53:43,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:53:43,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:53:43,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:53:43,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:53:43,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:53:43,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:53:43,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:53:43,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:53:43,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... [2019-11-15 23:53:43,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:53:43,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:53:43,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:53:43,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:53:43,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/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 [2019-11-15 23:53:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 23:53:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 23:53:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:53:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:53:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:53:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:53:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:53:43,665 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:53:43,881 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2019-11-15 23:53:43,947 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2019-11-15 23:53:44,025 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:53:44,026 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:53:44,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:44 BoogieIcfgContainer [2019-11-15 23:53:44,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:53:44,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:53:44,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:53:44,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:53:44,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:53:42" (1/3) ... [2019-11-15 23:53:44,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586226d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:53:44, skipping insertion in model container [2019-11-15 23:53:44,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:53:43" (2/3) ... [2019-11-15 23:53:44,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586226d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:53:44, skipping insertion in model container [2019-11-15 23:53:44,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:44" (3/3) ... [2019-11-15 23:53:44,036 INFO L109 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2019-11-15 23:53:44,070 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,070 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,071 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,071 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,072 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,072 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:53:44,079 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:53:44,079 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:53:44,088 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:53:44,099 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:53:44,119 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:53:44,120 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:53:44,120 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:53:44,120 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:53:44,120 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:53:44,121 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:53:44,121 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:53:44,121 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:53:44,134 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 35 transitions [2019-11-15 23:53:44,160 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 125 states. [2019-11-15 23:53:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-11-15 23:53:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 23:53:44,172 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:44,173 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:44,176 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:44,181 INFO L82 PathProgramCache]: Analyzing trace with hash 797542065, now seen corresponding path program 1 times [2019-11-15 23:53:44,188 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:44,189 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494089376] [2019-11-15 23:53:44,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:44,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494089376] [2019-11-15 23:53:44,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:44,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:44,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400318926] [2019-11-15 23:53:44,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:44,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:44,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:44,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:44,374 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2019-11-15 23:53:44,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:44,419 INFO L93 Difference]: Finished difference Result 165 states and 279 transitions. [2019-11-15 23:53:44,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:44,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-15 23:53:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:44,428 INFO L225 Difference]: With dead ends: 165 [2019-11-15 23:53:44,428 INFO L226 Difference]: Without dead ends: 37 [2019-11-15 23:53:44,430 INFO L600 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 [2019-11-15 23:53:44,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-15 23:53:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-15 23:53:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-15 23:53:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-11-15 23:53:44,462 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 19 [2019-11-15 23:53:44,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:44,462 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-15 23:53:44,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-11-15 23:53:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 23:53:44,463 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:44,463 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:44,464 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:44,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1934330034, now seen corresponding path program 1 times [2019-11-15 23:53:44,464 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:44,465 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493586360] [2019-11-15 23:53:44,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:44,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493586360] [2019-11-15 23:53:44,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:44,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:53:44,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144396283] [2019-11-15 23:53:44,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:53:44,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:44,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:53:44,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:53:44,555 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 4 states. [2019-11-15 23:53:44,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:44,571 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-11-15 23:53:44,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:53:44,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-11-15 23:53:44,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:44,573 INFO L225 Difference]: With dead ends: 37 [2019-11-15 23:53:44,573 INFO L226 Difference]: Without dead ends: 35 [2019-11-15 23:53:44,574 INFO L600 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 [2019-11-15 23:53:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-15 23:53:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-15 23:53:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-15 23:53:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2019-11-15 23:53:44,579 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 21 [2019-11-15 23:53:44,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:44,579 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-15 23:53:44,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:53:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-11-15 23:53:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 23:53:44,580 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:53:44,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:53:44,581 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:53:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:53:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2054087872, now seen corresponding path program 2 times [2019-11-15 23:53:44,581 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:53:44,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416072986] [2019-11-15 23:53:44,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:53:44,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:53:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:53:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:53:44,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416072986] [2019-11-15 23:53:44,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:53:44,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:53:44,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046606043] [2019-11-15 23:53:44,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:53:44,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:53:44,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:53:44,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:53:44,645 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand 3 states. [2019-11-15 23:53:44,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:53:44,654 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-15 23:53:44,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:53:44,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-15 23:53:44,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:53:44,655 INFO L225 Difference]: With dead ends: 21 [2019-11-15 23:53:44,655 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:53:44,656 INFO L600 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 [2019-11-15 23:53:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:53:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:53:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:53:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:53:44,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-11-15 23:53:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:53:44,657 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:53:44,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:53:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:53:44,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:53:44,660 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:53:44,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:53:44 BasicIcfg [2019-11-15 23:53:44,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:53:44,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:53:44,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:53:44,662 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:53:44,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:53:44" (3/4) ... [2019-11-15 23:53:44,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:53:44,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-15 23:53:44,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-15 23:53:44,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:53:44,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b088ec06-9a5c-41bd-a462-bc178e3fa118/bin/uautomizer/witness.graphml [2019-11-15 23:53:44,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:53:44,736 INFO L168 Benchmark]: Toolchain (without parser) took 1828.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.4 MB in the beginning and 1.0 GB in the end (delta: -83.9 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,736 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:53:44,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.13 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,738 INFO L168 Benchmark]: Boogie Preprocessor took 39.09 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. [2019-11-15 23:53:44,738 INFO L168 Benchmark]: RCFGBuilder took 428.63 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,739 INFO L168 Benchmark]: TraceAbstraction took 633.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,739 INFO L168 Benchmark]: Witness Printer took 72.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:53:44,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.13 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.09 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 428.63 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 633.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 72.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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, 42 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 25 SDslu, 66 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...