./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/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 09a01e93fec949cee8eb50d66a373f0daa4139bdc7a2af319b4e953f9126cb67 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:10:59,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:10:59,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:10:59,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:10:59,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:10:59,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:10:59,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:10:59,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:10:59,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:10:59,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:10:59,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:10:59,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:10:59,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:10:59,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:10:59,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:10:59,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:10:59,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:10:59,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:10:59,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:10:59,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:10:59,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:10:59,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:10:59,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:10:59,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:10:59,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:10:59,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:10:59,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:10:59,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:10:59,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:10:59,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:10:59,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:10:59,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:10:59,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:10:59,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:10:59,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:10:59,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:10:59,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:10:59,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:10:59,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:10:59,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:10:59,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:10:59,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:10:59,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:10:59,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:10:59,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:10:59,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:10:59,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:10:59,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:10:59,394 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:10:59,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:10:59,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:10:59,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:10:59,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:10:59,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:10:59,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:10:59,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:10:59,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:10:59,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:10:59,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:10:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:10:59,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:10:59,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:10:59,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:10:59,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:10:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:10:59,398 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:10:59,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:10:59,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:10:59,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:10:59,398 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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09a01e93fec949cee8eb50d66a373f0daa4139bdc7a2af319b4e953f9126cb67 [2021-10-28 23:10:59,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:10:59,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:10:59,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:10:59,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:10:59,712 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:10:59,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2021-10-28 23:10:59,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/data/a176a71db/bb64442d9c3743f7b16d39f6a363d683/FLAGb43e46d18 [2021-10-28 23:11:00,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:11:00,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2021-10-28 23:11:00,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/data/a176a71db/bb64442d9c3743f7b16d39f6a363d683/FLAGb43e46d18 [2021-10-28 23:11:00,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/data/a176a71db/bb64442d9c3743f7b16d39f6a363d683 [2021-10-28 23:11:00,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:11:00,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:11:00,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:00,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:11:00,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:11:00,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:00,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23447437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00, skipping insertion in model container [2021-10-28 23:11:00,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:00,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:11:00,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:11:00,863 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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i[827,840] [2021-10-28 23:11:01,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:01,015 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:11:01,029 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_58ed6b73-98eb-4a3f-8f86-baa1b209391d/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i[827,840] [2021-10-28 23:11:01,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:01,112 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:11:01,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01 WrapperNode [2021-10-28 23:11:01,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:01,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:01,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:11:01,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:11:01,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:01,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:11:01,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:11:01,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:11:01,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:11:01,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:11:01,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:11:01,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:11:01,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (1/1) ... [2021-10-28 23:11:01,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:01,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:01,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:11:01,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 23:11:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 23:11:01,332 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 23:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:11:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:11:01,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:11:01,334 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 23:11:01,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:11:01,657 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 23:11:01,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:01 BoogieIcfgContainer [2021-10-28 23:11:01,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:11:01,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:11:01,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:11:01,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:11:01,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:11:00" (1/3) ... [2021-10-28 23:11:01,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b6a824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:01, skipping insertion in model container [2021-10-28 23:11:01,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:01" (2/3) ... [2021-10-28 23:11:01,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b6a824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:01, skipping insertion in model container [2021-10-28 23:11:01,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:01" (3/3) ... [2021-10-28 23:11:01,678 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2021-10-28 23:11:01,688 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:11:01,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:11:01,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 23:11:01,689 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:11:01,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,728 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,728 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:11:01,745 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 23:11:01,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:11:01,804 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 23:11:01,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-28 23:11:01,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 123 flow [2021-10-28 23:11:01,851 INFO L129 PetriNetUnfolder]: 2/58 cut-off events. [2021-10-28 23:11:01,852 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:11:01,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 58 events. 2/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2021-10-28 23:11:01,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 59 transitions, 123 flow [2021-10-28 23:11:01,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 58 transitions, 119 flow [2021-10-28 23:11:01,876 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-10-28 23:11:01,878 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:11:01,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:11:01,879 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] [2021-10-28 23:11:01,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-28 23:11:01,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:01,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1438820725, now seen corresponding path program 1 times [2021-10-28 23:11:01,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:01,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568180510] [2021-10-28 23:11:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:01,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:02,276 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 23:11:02,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:02,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568180510] [2021-10-28 23:11:02,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568180510] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:02,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:02,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:02,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158350932] [2021-10-28 23:11:02,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:02,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:02,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:02,316 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 59 [2021-10-28 23:11:02,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 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 23:11:02,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:11:02,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 59 [2021-10-28 23:11:02,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:11:02,437 INFO L129 PetriNetUnfolder]: 10/90 cut-off events. [2021-10-28 23:11:02,437 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 23:11:02,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 90 events. 10/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 210 event pairs, 0 based on Foata normal form. 4/92 useless extension candidates. Maximal degree in co-relation 94. Up to 10 conditions per place. [2021-10-28 23:11:02,441 INFO L132 encePairwiseOnDemand]: 54/59 looper letters, 12 selfloop transitions, 3 changer transitions 0/58 dead transitions. [2021-10-28 23:11:02,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 58 transitions, 149 flow [2021-10-28 23:11:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:11:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-28 23:11:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 245 transitions. [2021-10-28 23:11:02,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8305084745762712 [2021-10-28 23:11:02,461 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 245 transitions. [2021-10-28 23:11:02,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 245 transitions. [2021-10-28 23:11:02,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:11:02,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 245 transitions. [2021-10-28 23:11:02,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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 23:11:02,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 59.0) internal successors, (354), 6 states have internal predecessors, (354), 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 23:11:02,485 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 59.0) internal successors, (354), 6 states have internal predecessors, (354), 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 23:11:02,487 INFO L186 Difference]: Start difference. First operand has 60 places, 58 transitions, 119 flow. Second operand 5 states and 245 transitions. [2021-10-28 23:11:02,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 58 transitions, 149 flow [2021-10-28 23:11:02,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 23:11:02,503 INFO L242 Difference]: Finished difference. Result has 59 places, 52 transitions, 112 flow [2021-10-28 23:11:02,506 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, 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=5, PETRI_FLOW=112, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2021-10-28 23:11:02,507 INFO L334 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2021-10-28 23:11:02,507 INFO L470 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 112 flow [2021-10-28 23:11:02,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 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 23:11:02,509 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:11:02,509 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] [2021-10-28 23:11:02,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:11:02,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-28 23:11:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash -401493819, now seen corresponding path program 1 times [2021-10-28 23:11:02,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:02,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308799423] [2021-10-28 23:11:02,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:02,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:02,678 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 23:11:02,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:02,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308799423] [2021-10-28 23:11:02,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308799423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:02,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:02,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:11:02,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353864505] [2021-10-28 23:11:02,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:11:02,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:02,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:11:02,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:11:02,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 59 [2021-10-28 23:11:02,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 112 flow. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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 23:11:02,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:11:02,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 59 [2021-10-28 23:11:02,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:11:02,815 INFO L129 PetriNetUnfolder]: 20/156 cut-off events. [2021-10-28 23:11:02,822 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-10-28 23:11:02,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 156 events. 20/156 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 586 event pairs, 5 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 226. Up to 24 conditions per place. [2021-10-28 23:11:02,824 INFO L132 encePairwiseOnDemand]: 52/59 looper letters, 10 selfloop transitions, 2 changer transitions 28/73 dead transitions. [2021-10-28 23:11:02,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 73 transitions, 246 flow [2021-10-28 23:11:02,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:11:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 23:11:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 456 transitions. [2021-10-28 23:11:02,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7728813559322034 [2021-10-28 23:11:02,834 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 456 transitions. [2021-10-28 23:11:02,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 456 transitions. [2021-10-28 23:11:02,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:11:02,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 456 transitions. [2021-10-28 23:11:02,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 45.6) internal successors, (456), 10 states have internal predecessors, (456), 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 23:11:02,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 59.0) internal successors, (649), 11 states have internal predecessors, (649), 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 23:11:02,845 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 59.0) internal successors, (649), 11 states have internal predecessors, (649), 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 23:11:02,845 INFO L186 Difference]: Start difference. First operand has 59 places, 52 transitions, 112 flow. Second operand 10 states and 456 transitions. [2021-10-28 23:11:02,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 73 transitions, 246 flow [2021-10-28 23:11:02,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 217 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-28 23:11:02,850 INFO L242 Difference]: Finished difference. Result has 72 places, 45 transitions, 113 flow [2021-10-28 23:11:02,851 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=113, PETRI_PLACES=72, PETRI_TRANSITIONS=45} [2021-10-28 23:11:02,851 INFO L334 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2021-10-28 23:11:02,852 INFO L470 AbstractCegarLoop]: Abstraction has has 72 places, 45 transitions, 113 flow [2021-10-28 23:11:02,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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 23:11:02,853 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:11:02,853 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 23:11:02,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:11:02,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-28 23:11:02,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1028323617, now seen corresponding path program 1 times [2021-10-28 23:11:02,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:02,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258406699] [2021-10-28 23:11:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:02,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:02,961 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 23:11:02,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:02,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258406699] [2021-10-28 23:11:02,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258406699] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:02,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:02,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:11:02,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791947710] [2021-10-28 23:11:02,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:11:02,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:02,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:11:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:11:02,964 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 59 [2021-10-28 23:11:02,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 45 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 23:11:02,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:11:02,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 59 [2021-10-28 23:11:02,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:11:02,998 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-10-28 23:11:02,998 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 23:11:02,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 31 events. 0/31 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 2/33 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-10-28 23:11:02,999 INFO L132 encePairwiseOnDemand]: 57/59 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2021-10-28 23:11:02,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 31 transitions, 83 flow [2021-10-28 23:11:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:11:03,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 23:11:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2021-10-28 23:11:03,002 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8192090395480226 [2021-10-28 23:11:03,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 145 transitions. [2021-10-28 23:11:03,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 145 transitions. [2021-10-28 23:11:03,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:11:03,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 145 transitions. [2021-10-28 23:11:03,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 23:11:03,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 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 23:11:03,005 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 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 23:11:03,006 INFO L186 Difference]: Start difference. First operand has 72 places, 45 transitions, 113 flow. Second operand 3 states and 145 transitions. [2021-10-28 23:11:03,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 31 transitions, 83 flow [2021-10-28 23:11:03,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 31 transitions, 81 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 23:11:03,008 INFO L242 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2021-10-28 23:11:03,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2021-10-28 23:11:03,008 INFO L334 CegarLoopForPetriNet]: 60 programPoint places, -17 predicate places. [2021-10-28 23:11:03,008 INFO L470 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2021-10-28 23:11:03,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 23:11:03,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:03,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:11:03,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:03,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:03,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:11:03,017 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:11:03,021 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:11:03,022 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:11:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:11:03 BasicIcfg [2021-10-28 23:11:03,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:11:03,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:11:03,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:11:03,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:11:03,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:01" (3/4) ... [2021-10-28 23:11:03,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:11:03,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-10-28 23:11:03,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:11:03,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:11:03,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:03,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:03,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:11:03,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:11:03,103 INFO L168 Benchmark]: Toolchain (without parser) took 2474.71 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 37.5 MB in the beginning and 45.5 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,106 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:03,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.41 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 37.3 MB in the beginning and 56.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.45 ms. Allocated memory is still 94.4 MB. Free memory was 56.4 MB in the beginning and 54.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,110 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 53.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:03,111 INFO L168 Benchmark]: RCFGBuilder took 439.21 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 71.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,111 INFO L168 Benchmark]: TraceAbstraction took 1354.41 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 47.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,114 INFO L168 Benchmark]: Witness Printer took 75.74 ms. Allocated memory is still 94.4 MB. Free memory was 47.6 MB in the beginning and 45.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:03,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.41 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 37.3 MB in the beginning and 56.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.45 ms. Allocated memory is still 94.4 MB. Free memory was 56.4 MB in the beginning and 54.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.15 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 53.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 439.21 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 71.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1354.41 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 47.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 75.74 ms. Allocated memory is still 94.4 MB. Free memory was 47.6 MB in the beginning and 45.5 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 - 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, 74 locations, 4 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 26 SDtfs, 42 SDslu, 45 SDs, 0 SdLazy, 73 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:11:03,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed6b73-98eb-4a3f-8f86-baa1b209391d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...