./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f307ab148c60260e4289668fdf7e15d465998b96f40630bef2dd6e00eed39c8c ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:38:01,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:38:01,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:38:01,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:38:01,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:38:01,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:38:01,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:38:01,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:38:02,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:38:02,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:38:02,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:38:02,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:38:02,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:38:02,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:38:02,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:38:02,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:38:02,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:38:02,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:38:02,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:38:02,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:38:02,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:38:02,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:38:02,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:38:02,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:38:02,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:38:02,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:38:02,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:38:02,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:38:02,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:38:02,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:38:02,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:38:02,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:38:02,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:38:02,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:38:02,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:38:02,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:38:02,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:38:02,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:38:02,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:38:02,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:38:02,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:38:02,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:38:02,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:38:02,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:38:02,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:38:02,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:38:02,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:38:02,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:38:02,150 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:38:02,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:38:02,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:38:02,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:38:02,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:38:02,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:38:02,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:38:02,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:38:02,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:38:02,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:38:02,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:38:02,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:38:02,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:38:02,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:38:02,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:38:02,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:38:02,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:38:02,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:38:02,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:38:02,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:38:02,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:38:02,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:38:02,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:38:02,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:38:02,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:38:02,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:38:02,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f307ab148c60260e4289668fdf7e15d465998b96f40630bef2dd6e00eed39c8c [2021-10-28 23:38:02,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:38:02,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:38:02,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:38:02,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:38:02,583 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:38:02,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i [2021-10-28 23:38:02,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/data/9e761a793/08f487de2a2048c7bece7f1ff16d3c6e/FLAG837aa247f [2021-10-28 23:38:03,373 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:38:03,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i [2021-10-28 23:38:03,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/data/9e761a793/08f487de2a2048c7bece7f1ff16d3c6e/FLAG837aa247f [2021-10-28 23:38:03,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/data/9e761a793/08f487de2a2048c7bece7f1ff16d3c6e [2021-10-28 23:38:03,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:38:03,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:38:03,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:03,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:38:03,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:38:03,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:03" (1/1) ... [2021-10-28 23:38:03,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5377b9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:03, skipping insertion in model container [2021-10-28 23:38:03,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:38:03" (1/1) ... [2021-10-28 23:38:03,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:38:03,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:38:04,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i[826,839] [2021-10-28 23:38:04,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:04,202 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:38:04,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i[826,839] [2021-10-28 23:38:04,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:38:04,302 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:38:04,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04 WrapperNode [2021-10-28 23:38:04,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:38:04,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:38:04,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:38:04,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:38:04,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:38:04,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:38:04,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:38:04,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:38:04,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:38:04,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:38:04,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:38:04,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:38:04,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (1/1) ... [2021-10-28 23:38:04,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:38:04,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:38:04,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:38:04,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:38:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:38:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 23:38:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:38:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 23:38:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 23:38:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:38:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:38:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:38:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:38:04,490 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:38:04,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:38:04,793 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:38:04,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:04 BoogieIcfgContainer [2021-10-28 23:38:04,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:38:04,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:38:04,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:38:04,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:38:04,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:38:03" (1/3) ... [2021-10-28 23:38:04,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d96cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:38:04, skipping insertion in model container [2021-10-28 23:38:04,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:38:04" (2/3) ... [2021-10-28 23:38:04,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d96cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:38:04, skipping insertion in model container [2021-10-28 23:38:04,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:04" (3/3) ... [2021-10-28 23:38:04,807 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_37-traces-ex-4_true.i [2021-10-28 23:38:04,814 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:38:04,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:38:04,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:38:04,814 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:38:04,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,848 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,848 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,866 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,867 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:38:04,886 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 23:38:04,944 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:38:04,952 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:38:04,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 23:38:04,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 131 flow [2021-10-28 23:38:05,053 INFO L129 PetriNetUnfolder]: 1/62 cut-off events. [2021-10-28 23:38:05,053 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:38:05,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 1/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2021-10-28 23:38:05,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 131 flow [2021-10-28 23:38:05,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2021-10-28 23:38:05,090 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-10-28 23:38:05,092 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:38:05,093 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:38:05,094 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:05,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:38:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2061653660, now seen corresponding path program 1 times [2021-10-28 23:38:05,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:38:05,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693284264] [2021-10-28 23:38:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:05,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:38:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:05,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:38:05,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693284264] [2021-10-28 23:38:05,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693284264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:38:05,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:38:05,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:38:05,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977144259] [2021-10-28 23:38:05,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:38:05,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:38:05,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:38:05,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:05,737 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-10-28 23:38:05,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:05,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:38:05,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-10-28 23:38:05,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:38:05,906 INFO L129 PetriNetUnfolder]: 8/95 cut-off events. [2021-10-28 23:38:05,922 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:38:05,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 95 events. 8/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 203 event pairs, 0 based on Foata normal form. 3/98 useless extension candidates. Maximal degree in co-relation 95. Up to 9 conditions per place. [2021-10-28 23:38:05,925 INFO L132 encePairwiseOnDemand]: 57/63 looper letters, 7 selfloop transitions, 3 changer transitions 9/64 dead transitions. [2021-10-28 23:38:05,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 169 flow [2021-10-28 23:38:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:38:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 23:38:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 392 transitions. [2021-10-28 23:38:05,958 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-10-28 23:38:05,959 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 392 transitions. [2021-10-28 23:38:05,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 392 transitions. [2021-10-28 23:38:05,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:38:05,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 392 transitions. [2021-10-28 23:38:05,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:05,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:05,993 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:05,996 INFO L186 Difference]: Start difference. First operand has 56 places, 52 transitions, 107 flow. Second operand 7 states and 392 transitions. [2021-10-28 23:38:05,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 169 flow [2021-10-28 23:38:06,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 64 transitions, 168 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 23:38:06,008 INFO L242 Difference]: Finished difference. Result has 66 places, 52 transitions, 125 flow [2021-10-28 23:38:06,011 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=125, PETRI_PLACES=66, PETRI_TRANSITIONS=52} [2021-10-28 23:38:06,012 INFO L334 CegarLoopForPetriNet]: 56 programPoint places, 10 predicate places. [2021-10-28 23:38:06,013 INFO L470 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 125 flow [2021-10-28 23:38:06,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,014 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:38:06,014 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:38:06,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:38:06,015 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:38:06,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:38:06,016 INFO L85 PathProgramCache]: Analyzing trace with hash -560163879, now seen corresponding path program 1 times [2021-10-28 23:38:06,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:38:06,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109190411] [2021-10-28 23:38:06,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:38:06,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:38:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:38:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:38:06,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:38:06,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109190411] [2021-10-28 23:38:06,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109190411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:38:06,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:38:06,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:38:06,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669640350] [2021-10-28 23:38:06,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:38:06,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:38:06,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:38:06,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:38:06,239 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-10-28 23:38:06,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 52 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:38:06,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-10-28 23:38:06,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:38:06,396 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-10-28 23:38:06,396 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-28 23:38:06,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 51 events. 0/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs, 0 based on Foata normal form. 7/58 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-10-28 23:38:06,397 INFO L132 encePairwiseOnDemand]: 58/63 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2021-10-28 23:38:06,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 47 transitions, 153 flow [2021-10-28 23:38:06,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:38:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-28 23:38:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 196 transitions. [2021-10-28 23:38:06,403 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6222222222222222 [2021-10-28 23:38:06,403 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 196 transitions. [2021-10-28 23:38:06,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 196 transitions. [2021-10-28 23:38:06,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:38:06,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 196 transitions. [2021-10-28 23:38:06,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,408 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,408 INFO L186 Difference]: Start difference. First operand has 66 places, 52 transitions, 125 flow. Second operand 5 states and 196 transitions. [2021-10-28 23:38:06,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 47 transitions, 153 flow [2021-10-28 23:38:06,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 47 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-28 23:38:06,411 INFO L242 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2021-10-28 23:38:06,411 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2021-10-28 23:38:06,412 INFO L334 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2021-10-28 23:38:06,412 INFO L470 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2021-10-28 23:38:06,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:38:06,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:38:06,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:38:06,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:38:06,421 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:38:06,424 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:38:06,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:38:06,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:38:06 BasicIcfg [2021-10-28 23:38:06,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:38:06,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:38:06,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:38:06,429 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:38:06,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:38:04" (3/4) ... [2021-10-28 23:38:06,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:38:06,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-10-28 23:38:06,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:38:06,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:38:06,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:38:06,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:38:06,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:38:06,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:38:06,519 INFO L168 Benchmark]: Toolchain (without parser) took 2859.92 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 70.7 MB in the beginning and 79.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,520 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:38:06,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.68 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 70.7 MB in the beginning and 106.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.14 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,522 INFO L168 Benchmark]: Boogie Preprocessor took 30.63 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 102.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,523 INFO L168 Benchmark]: RCFGBuilder took 406.91 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,524 INFO L168 Benchmark]: TraceAbstraction took 1629.58 ms. Allocated memory is still 138.4 MB. Free memory was 91.1 MB in the beginning and 81.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,525 INFO L168 Benchmark]: Witness Printer took 88.28 ms. Allocated memory is still 138.4 MB. Free memory was 81.4 MB in the beginning and 79.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:38:06,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.68 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 70.7 MB in the beginning and 106.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.14 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.63 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 102.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 406.91 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1629.58 ms. Allocated memory is still 138.4 MB. Free memory was 91.1 MB in the beginning and 81.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 88.28 ms. Allocated memory is still 138.4 MB. Free memory was 81.4 MB in the beginning and 79.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 20 SDslu, 23 SDs, 0 SdLazy, 59 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:38:06,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dc47f2-93e6-4b1e-85de-d2b46be84e1f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...