./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:44:19,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:44:19,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:44:19,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:44:19,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:44:19,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:44:19,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:44:19,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:44:19,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:44:19,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:44:19,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:44:19,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:44:19,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:44:19,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:44:19,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:44:19,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:44:19,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:44:19,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:44:19,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:44:19,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:44:19,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:44:19,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:44:19,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:44:19,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:44:19,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:44:19,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:44:19,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:44:19,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:44:19,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:44:19,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:44:19,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:44:19,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:44:19,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:44:19,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:44:19,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:44:19,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:44:19,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:44:19,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:44:19,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:44:19,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:44:19,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:44:19,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:44:19,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:44:19,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:44:19,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:44:19,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:44:19,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:44:19,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:44:19,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:44:19,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:44:19,384 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:44:19,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:44:19,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:44:19,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:44:19,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:44:19,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:44:19,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:44:19,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:44:19,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:44:19,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:44:19,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:44:19,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:44:19,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:44:19,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:44:19,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:44:19,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:44:19,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:44:19,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:44:19,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:44:19,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:44:19,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:44:19,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:44:19,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:44:19,395 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:44:19,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:44:19,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:44:19,396 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:44:19,396 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:44:19,396 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_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2021-11-19 05:44:19,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:44:19,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:44:19,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:44:19,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:44:19,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:44:19,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2021-11-19 05:44:19,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/data/15a6694e0/655a418133c4457b845c7a30757110ed/FLAG9ed6bfb9b [2021-11-19 05:44:20,366 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:44:20,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2021-11-19 05:44:20,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/data/15a6694e0/655a418133c4457b845c7a30757110ed/FLAG9ed6bfb9b [2021-11-19 05:44:20,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/data/15a6694e0/655a418133c4457b845c7a30757110ed [2021-11-19 05:44:20,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:44:20,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:44:20,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:44:20,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:44:20,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:44:20,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:44:20" (1/1) ... [2021-11-19 05:44:20,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416b8883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:20, skipping insertion in model container [2021-11-19 05:44:20,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:44:20" (1/1) ... [2021-11-19 05:44:20,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:44:20,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:44:20,915 WARN L230 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_4824b17b-8ff6-43f0-8333-470984dfe813/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2021-11-19 05:44:21,153 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:44:21,175 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:44:21,189 WARN L230 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_4824b17b-8ff6-43f0-8333-470984dfe813/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2021-11-19 05:44:21,246 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:44:21,297 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:44:21,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21 WrapperNode [2021-11-19 05:44:21,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:44:21,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:44:21,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:44:21,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:44:21,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,383 INFO L137 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2021-11-19 05:44:21,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:44:21,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:44:21,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:44:21,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:44:21,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:44:21,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:44:21,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:44:21,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:44:21,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (1/1) ... [2021-11-19 05:44:21,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:44:21,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:21,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:44:21,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:44:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:44:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:44:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 05:44:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:44:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:44:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 05:44:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 05:44:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:44:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:44:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:44:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:44:21,545 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:44:21,767 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:44:21,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:44:22,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:44:22,026 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:44:22,026 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:44:22,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:22 BoogieIcfgContainer [2021-11-19 05:44:22,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:44:22,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:44:22,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:44:22,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:44:22,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:44:20" (1/3) ... [2021-11-19 05:44:22,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cfb5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:44:22, skipping insertion in model container [2021-11-19 05:44:22,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:44:21" (2/3) ... [2021-11-19 05:44:22,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cfb5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:44:22, skipping insertion in model container [2021-11-19 05:44:22,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:22" (3/3) ... [2021-11-19 05:44:22,041 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2021-11-19 05:44:22,048 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:44:22,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:44:22,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 05:44:22,049 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:44:22,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:44:22,116 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-19 05:44:22,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:44:22,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:22,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:44:22,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:44:22,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-19 05:44:22,279 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=PARTIAL_ORDER_FA, 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 [2021-11-19 05:44:22,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 05:44:22,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2029013605, now seen corresponding path program 1 times [2021-11-19 05:44:22,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:22,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842306571] [2021-11-19 05:44:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:22,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:22,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:22,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842306571] [2021-11-19 05:44:22,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842306571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:22,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:22,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:44:22,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512568265] [2021-11-19 05:44:22,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:22,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:44:22,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:44:22,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:44:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:22,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:22,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-11-19 05:44:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:22,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:44:22,854 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1276267400, now seen corresponding path program 1 times [2021-11-19 05:44:22,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:22,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989277737] [2021-11-19 05:44:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:22,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:23,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:23,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989277737] [2021-11-19 05:44:23,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989277737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:23,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:23,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:44:23,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449793967] [2021-11-19 05:44:23,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:23,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:44:23,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:23,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:44:23,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:44:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:23,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-11-19 05:44:23,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:23,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:44:23,365 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash -866993554, now seen corresponding path program 1 times [2021-11-19 05:44:23,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:23,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233922557] [2021-11-19 05:44:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:23,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:23,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:23,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233922557] [2021-11-19 05:44:23,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233922557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:23,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:23,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:44:23,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436227117] [2021-11-19 05:44:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:23,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:44:23,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:44:23,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:44:23,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,456 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:23,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-11-19 05:44:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:23,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:23,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:44:23,586 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:23,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash -603422667, now seen corresponding path program 1 times [2021-11-19 05:44:23,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:23,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409351676] [2021-11-19 05:44:23,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:23,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:23,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:23,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409351676] [2021-11-19 05:44:23,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409351676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:23,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:23,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:44:23,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712624543] [2021-11-19 05:44:23,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:23,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:44:23,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:23,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:44:23,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:44:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:23,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2021-11-19 05:44:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:44:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:23,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:44:23,843 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:23,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:23,844 INFO L85 PathProgramCache]: Analyzing trace with hash 166067034, now seen corresponding path program 1 times [2021-11-19 05:44:23,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:23,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411197052] [2021-11-19 05:44:23,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:23,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:24,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:24,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411197052] [2021-11-19 05:44:24,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411197052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:24,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:24,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:44:24,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622448599] [2021-11-19 05:44:24,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:24,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:44:24,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:24,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:44:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:44:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:24,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2021-11-19 05:44:24,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:44:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:44:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:24,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:24,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 05:44:24,315 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 05:44:24,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:44:24,325 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 05:44:24,326 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2) [2021-11-19 05:44:24,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:44:24,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:24,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:44:24,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-19 05:44:24,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:44:24,452 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=PARTIAL_ORDER_FA, 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 [2021-11-19 05:44:24,452 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:44:24,460 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:24,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:24,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1887528663, now seen corresponding path program 1 times [2021-11-19 05:44:24,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:24,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460101913] [2021-11-19 05:44:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:24,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:24,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:24,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460101913] [2021-11-19 05:44:24,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460101913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:24,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:24,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:44:24,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180008775] [2021-11-19 05:44:24,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:24,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:44:24,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:24,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:44:24,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:44:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:24,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-19 05:44:24,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:24,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:44:24,687 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1874670772, now seen corresponding path program 1 times [2021-11-19 05:44:24,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:24,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947129874] [2021-11-19 05:44:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:24,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:24,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:24,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947129874] [2021-11-19 05:44:24,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947129874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:24,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:24,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:44:24,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050427019] [2021-11-19 05:44:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:24,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:44:24,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:44:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:44:24,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:24,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:24,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-11-19 05:44:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:44:25,110 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1852043996, now seen corresponding path program 1 times [2021-11-19 05:44:25,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:25,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260045376] [2021-11-19 05:44:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:25,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:25,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:25,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260045376] [2021-11-19 05:44:25,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260045376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:25,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:25,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:44:25,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783336405] [2021-11-19 05:44:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:25,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:44:25,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:44:25,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:44:25,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-19 05:44:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:25,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:25,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:44:25,249 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:44:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash -64026050, now seen corresponding path program 1 times [2021-11-19 05:44:25,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:25,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074404910] [2021-11-19 05:44:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:25,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:44:25,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:25,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074404910] [2021-11-19 05:44:25,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074404910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:25,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:25,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:44:25,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559582486] [2021-11-19 05:44:25,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:25,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:44:25,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:25,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:44:25,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:44:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,417 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:25,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-11-19 05:44:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:44:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:25,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-19 05:44:25,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-19 05:44:25,612 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2021-11-19 05:44:25,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:44:25,623 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-19 05:44:25,624 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2021-11-19 05:44:25,624 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:44:25,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:44:25,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:44:25 BasicIcfg [2021-11-19 05:44:25,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:44:25,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:44:25,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:44:25,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:44:25,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:44:22" (3/4) ... [2021-11-19 05:44:25,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:44:25,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-19 05:44:25,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-19 05:44:25,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 05:44:25,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:44:25,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:44:25,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:44:25,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:44:25,708 INFO L158 Benchmark]: Toolchain (without parser) took 5069.68ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 85.2MB in the beginning and 71.9MB in the end (delta: 13.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,709 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:44:25,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.83ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 84.6MB in the end (delta: 571.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.54ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 82.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,710 INFO L158 Benchmark]: Boogie Preprocessor took 53.95ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,710 INFO L158 Benchmark]: RCFGBuilder took 590.62ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 68.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,711 INFO L158 Benchmark]: TraceAbstraction took 3601.06ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 75.0MB in the end (delta: -6.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,711 INFO L158 Benchmark]: Witness Printer took 69.90ms. Allocated memory is still 144.7MB. Free memory was 75.0MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:44:25,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.83ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 84.6MB in the end (delta: 571.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.54ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 82.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.95ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.62ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 68.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3601.06ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 75.0MB in the end (delta: -6.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 69.90ms. Allocated memory is still 144.7MB. Free memory was 75.0MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1161, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 39, negative conditional: 25, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1142, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1142, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 177, positive unconditional: 945, negative: 30, negative conditional: 10, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 74, positive unconditional: 1048, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 74, positive unconditional: 1048, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, positive: 918, positive conditional: 0, positive unconditional: 918, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, positive: 916, positive conditional: 0, positive unconditional: 916, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 73, negative conditional: 10, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1152, positive: 204, positive conditional: 74, positive unconditional: 130, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 934, unknown conditional: 2, unknown unconditional: 932] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 918, Positive conditional cache size: 0, Positive unconditional cache size: 918, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 107, Maximal queried relation: 2, Independence queries for same thread: 19 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 108, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 932, positive: 918, positive conditional: 0, positive unconditional: 918, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1161, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 39, negative conditional: 25, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1142, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1142, positive: 1122, positive conditional: 204, positive unconditional: 918, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 177, positive unconditional: 945, negative: 30, negative conditional: 10, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 74, positive unconditional: 1048, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1152, positive: 1122, positive conditional: 74, positive unconditional: 1048, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 934, positive: 918, positive conditional: 0, positive unconditional: 918, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 934, positive: 916, positive conditional: 0, positive unconditional: 916, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 73, negative conditional: 10, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1152, positive: 204, positive conditional: 74, positive unconditional: 130, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 934, unknown conditional: 2, unknown unconditional: 932] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 918, Positive conditional cache size: 0, Positive unconditional cache size: 918, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 107, Maximal queried relation: 2, Independence queries for same thread: 19 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1085, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 33, negative conditional: 20, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 19, negative conditional: 6, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1071, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 19, negative conditional: 6, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 185, positive unconditional: 867, negative: 37, negative conditional: 18, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 93, positive unconditional: 959, negative: 37, negative conditional: 6, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 93, positive unconditional: 959, negative: 37, negative conditional: 6, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 872, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 872, positive: 855, positive conditional: 0, positive unconditional: 855, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 38, negative conditional: 4, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1089, positive: 195, positive conditional: 93, positive unconditional: 102, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 872, unknown conditional: 2, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 872, Positive cache size: 857, Positive conditional cache size: 0, Positive unconditional cache size: 857, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 104, Maximal queried relation: 4, Independence queries for same thread: 14 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 109, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 870, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1085, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 33, negative conditional: 20, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 19, negative conditional: 6, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1071, positive: 1052, positive conditional: 195, positive unconditional: 857, negative: 19, negative conditional: 6, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 185, positive unconditional: 867, negative: 37, negative conditional: 18, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 93, positive unconditional: 959, negative: 37, negative conditional: 6, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1089, positive: 1052, positive conditional: 93, positive unconditional: 959, negative: 37, negative conditional: 6, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 872, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 872, positive: 855, positive conditional: 0, positive unconditional: 855, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 38, negative conditional: 4, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1089, positive: 195, positive conditional: 93, positive unconditional: 102, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 872, unknown conditional: 2, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 872, Positive cache size: 857, Positive conditional cache size: 0, Positive unconditional cache size: 857, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 104, Maximal queried relation: 4, Independence queries for same thread: 14 - 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 131 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 0.7s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 131 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-19 05:44:25,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:26,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:26,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4824b17b-8ff6-43f0-8333-470984dfe813/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE