./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 19:27:25,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:27:25,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:27:25,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:27:25,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:27:25,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:27:25,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:27:25,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:27:25,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:27:25,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:27:25,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:27:25,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:27:25,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:27:25,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:27:25,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:27:25,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:27:25,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:27:25,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:27:25,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:27:25,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:27:25,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:27:25,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:27:25,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:27:25,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:27:25,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:27:25,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:27:25,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:27:25,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:27:25,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:27:25,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:27:25,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:27:25,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:27:25,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:27:25,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:27:25,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:27:25,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:27:25,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:27:25,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:27:25,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:27:25,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:27:25,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:27:25,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:27:25,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:27:25,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:27:25,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:27:25,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:27:25,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:27:25,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:27:25,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:27:25,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:27:25,370 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:27:25,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:27:25,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:27:25,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:27:25,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:27:25,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:27:25,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:27:25,374 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:27:25,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:27:25,374 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:27:25,374 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 [2022-12-13 19:27:25,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:27:25,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:27:25,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:27:25,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:27:25,567 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:27:25,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2022-12-13 19:27:28,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:27:28,321 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:27:28,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2022-12-13 19:27:28,329 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/data/5b8249431/48c2586f29c540138cfd62734d056b38/FLAG270bc38d9 [2022-12-13 19:27:28,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/data/5b8249431/48c2586f29c540138cfd62734d056b38 [2022-12-13 19:27:28,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:27:28,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:27:28,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:28,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:27:28,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:27:28,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:28,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3669653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28, skipping insertion in model container [2022-12-13 19:27:28,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:28,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:27:28,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:27:28,850 WARN L237 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_ddbd1c27-2324-410b-98ad-96500aa21d43/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i[1086,1099] [2022-12-13 19:27:28,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:28,928 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:27:28,936 WARN L237 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_ddbd1c27-2324-410b-98ad-96500aa21d43/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i[1086,1099] [2022-12-13 19:27:28,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:28,975 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:27:28,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28 WrapperNode [2022-12-13 19:27:28,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:28,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:28,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:27:28,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:27:28,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:28,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,001 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-13 19:27:29,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:29,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:27:29,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:27:29,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:27:29,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:27:29,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:27:29,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:27:29,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:27:29,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (1/1) ... [2022-12-13 19:27:29,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:27:29,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:27:29,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:27:29,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:27:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:27:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:27:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:27:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 19:27:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 19:27:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:27:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:27:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:27:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:27:29,067 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 19:27:29,151 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:27:29,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:27:29,228 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:27:29,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:27:29,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:27:29,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:29 BoogieIcfgContainer [2022-12-13 19:27:29,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:27:29,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:27:29,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:27:29,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:27:29,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:27:28" (1/3) ... [2022-12-13 19:27:29,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5367a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:27:29, skipping insertion in model container [2022-12-13 19:27:29,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:28" (2/3) ... [2022-12-13 19:27:29,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5367a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:27:29, skipping insertion in model container [2022-12-13 19:27:29,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:29" (3/3) ... [2022-12-13 19:27:29,247 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_16-traces-unprot2_true.i [2022-12-13 19:27:29,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:27:29,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:27:29,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:27:29,265 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:27:29,297 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 19:27:29,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 52 transitions, 109 flow [2022-12-13 19:27:29,348 INFO L130 PetriNetUnfolder]: 1/51 cut-off events. [2022-12-13 19:27:29,348 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:27:29,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-12-13 19:27:29,351 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 52 transitions, 109 flow [2022-12-13 19:27:29,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 41 transitions, 85 flow [2022-12-13 19:27:29,357 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:27:29,365 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 41 transitions, 85 flow [2022-12-13 19:27:29,367 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 41 transitions, 85 flow [2022-12-13 19:27:29,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 41 transitions, 85 flow [2022-12-13 19:27:29,378 INFO L130 PetriNetUnfolder]: 0/41 cut-off events. [2022-12-13 19:27:29,378 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:27:29,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 19:27:29,378 INFO L119 LiptonReduction]: Number of co-enabled transitions 66 [2022-12-13 19:27:30,501 INFO L134 LiptonReduction]: Checked pairs total: 39 [2022-12-13 19:27:30,501 INFO L136 LiptonReduction]: Total number of compositions: 37 [2022-12-13 19:27:30,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:27:30,518 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b922aa5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:27:30,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 19:27:30,520 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 19:27:30,520 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:27:30,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:27:30,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 19:27:30,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 19:27:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:27:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash 177592, now seen corresponding path program 1 times [2022-12-13 19:27:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:27:30,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192850843] [2022-12-13 19:27:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:27:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:27:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:27:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:27:30,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:27:30,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192850843] [2022-12-13 19:27:30,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192850843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:27:30,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:27:30,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 19:27:30,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467330219] [2022-12-13 19:27:30,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:27:30,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:27:30,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:27:30,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:27:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:27:30,671 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 89 [2022-12-13 19:27:30,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 8 places, 4 transitions, 11 flow. Second operand has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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) [2022-12-13 19:27:30,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:27:30,673 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 89 [2022-12-13 19:27:30,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:27:30,683 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 19:27:30,683 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:27:30,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11 conditions, 3 events. 0/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/5 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-13 19:27:30,684 INFO L137 encePairwiseOnDemand]: 88/89 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2022-12-13 19:27:30,684 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 8 places, 3 transitions, 15 flow [2022-12-13 19:27:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:27:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:27:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2022-12-13 19:27:30,693 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5730337078651685 [2022-12-13 19:27:30,693 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 102 transitions. [2022-12-13 19:27:30,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 102 transitions. [2022-12-13 19:27:30,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:27:30,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 102 transitions. [2022-12-13 19:27:30,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2022-12-13 19:27:30,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-12-13 19:27:30,701 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-12-13 19:27:30,702 INFO L175 Difference]: Start difference. First operand has 8 places, 4 transitions, 11 flow. Second operand 2 states and 102 transitions. [2022-12-13 19:27:30,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 8 places, 3 transitions, 15 flow [2022-12-13 19:27:30,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 7 places, 3 transitions, 14 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:27:30,705 INFO L231 Difference]: Finished difference. Result has 7 places, 0 transitions, 0 flow [2022-12-13 19:27:30,706 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=8, PETRI_DIFFERENCE_MINUEND_PLACES=6, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=7, PETRI_TRANSITIONS=0} [2022-12-13 19:27:30,708 INFO L288 CegarLoopForPetriNet]: 8 programPoint places, -1 predicate places. [2022-12-13 19:27:30,709 INFO L495 AbstractCegarLoop]: Abstraction has has 7 places, 0 transitions, 0 flow [2022-12-13 19:27:30,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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) [2022-12-13 19:27:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 19:27:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 19:27:30,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:27:30,712 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 19:27:30,715 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:27:30,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:27:30,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:27:30 BasicIcfg [2022-12-13 19:27:30,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:27:30,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:27:30,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:27:30,719 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:27:30,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:29" (3/4) ... [2022-12-13 19:27:30,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:27:30,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 19:27:30,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 19:27:30,730 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:27:30,730 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:27:30,730 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:27:30,752 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:27:30,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:27:30,753 INFO L158 Benchmark]: Toolchain (without parser) took 2037.07ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.9MB in the beginning and 141.3MB in the end (delta: -20.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:27:30,753 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 128.8MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:27:30,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.45ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 102.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:27:30,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.81ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:27:30,754 INFO L158 Benchmark]: Boogie Preprocessor took 13.46ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:27:30,754 INFO L158 Benchmark]: RCFGBuilder took 222.17ms. Allocated memory is still 159.4MB. Free memory was 98.7MB in the beginning and 87.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:27:30,755 INFO L158 Benchmark]: TraceAbstraction took 1477.80ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 86.8MB in the beginning and 144.4MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:27:30,755 INFO L158 Benchmark]: Witness Printer took 33.81ms. Allocated memory is still 192.9MB. Free memory was 144.4MB in the beginning and 141.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:27:30,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 128.8MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.45ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 102.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.81ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.46ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 222.17ms. Allocated memory is still 159.4MB. Free memory was 98.7MB in the beginning and 87.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1477.80ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 86.8MB in the beginning and 144.4MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.81ms. Allocated memory is still 192.9MB. Free memory was 144.4MB in the beginning and 141.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 45 PlacesBefore, 8 PlacesAfterwards, 41 TransitionsBefore, 4 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 6 FixpointIterations, 25 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 37 TotalNumberOfCompositions, 39 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:27:30,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddbd1c27-2324-410b-98ad-96500aa21d43/bin/uautomizer-uyxdKDjOR8/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