./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- 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-8393723 [2022-11-18 01:52:16,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:52:16,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:52:16,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:52:16,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:52:16,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:52:16,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:52:16,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:52:16,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:52:16,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:52:16,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:52:16,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:52:16,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:52:16,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:52:16,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:52:16,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:52:16,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:52:16,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:52:16,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:52:16,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:52:16,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:52:16,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:52:16,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:52:16,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:52:16,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:52:16,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:52:16,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:52:16,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:52:16,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:52:16,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:52:16,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:52:16,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:52:16,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:52:16,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:52:16,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:52:16,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:52:16,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:52:16,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:52:16,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:52:16,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:52:16,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:52:16,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-18 01:52:16,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:52:16,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:52:16,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:52:16,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:52:16,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:52:16,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:52:16,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:52:16,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:52:16,361 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:52:16,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:52:16,363 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:52:16,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:52:16,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:52:16,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:52:16,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:52:16,364 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 01:52:16,364 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 01:52:16,365 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 01:52:16,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:52:16,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 01:52:16,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:52:16,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:52:16,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:52:16,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:52:16,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:52:16,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:52:16,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:52:16,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:52:16,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:52:16,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:52:16,369 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:52:16,369 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:52:16,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:52:16,370 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:52:16,370 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:52:16,370 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_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2022-11-18 01:52:16,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:52:16,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:52:16,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:52:16,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:52:16,798 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:52:16,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-18 01:52:16,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/data/09237e9d1/fceb24d0ee1b4c36bf7cd2d64a240046/FLAG32988cafa [2022-11-18 01:52:17,523 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:52:17,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-18 01:52:17,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/data/09237e9d1/fceb24d0ee1b4c36bf7cd2d64a240046/FLAG32988cafa [2022-11-18 01:52:17,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/data/09237e9d1/fceb24d0ee1b4c36bf7cd2d64a240046 [2022-11-18 01:52:17,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:52:17,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:52:17,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:52:17,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:52:17,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:52:17,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:52:17" (1/1) ... [2022-11-18 01:52:17,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378df65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:17, skipping insertion in model container [2022-11-18 01:52:17,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:52:17" (1/1) ... [2022-11-18 01:52:17,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:52:17,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:52:18,200 WARN L234 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_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-18 01:52:18,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:52:18,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:52:18,246 WARN L234 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_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-18 01:52:18,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:52:18,266 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:52:18,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18 WrapperNode [2022-11-18 01:52:18,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:52:18,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:52:18,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:52:18,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:52:18,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,347 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-11-18 01:52:18,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:52:18,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:52:18,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:52:18,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:52:18,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:52:18,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:52:18,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:52:18,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:52:18,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (1/1) ... [2022-11-18 01:52:18,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:52:18,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:18,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:52:18,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:52:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:52:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:52:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:52:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:52:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:52:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 01:52:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 01:52:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-18 01:52:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-18 01:52:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:52:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:52:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:52:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:52:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:52:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:52:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:52:18,554 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:52:18,681 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:52:18,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:52:19,401 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:52:19,412 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:52:19,412 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 01:52:19,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:52:19 BoogieIcfgContainer [2022-11-18 01:52:19,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:52:19,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:52:19,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:52:19,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:52:19,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:52:17" (1/3) ... [2022-11-18 01:52:19,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a194e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:52:19, skipping insertion in model container [2022-11-18 01:52:19,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:52:18" (2/3) ... [2022-11-18 01:52:19,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a194e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:52:19, skipping insertion in model container [2022-11-18 01:52:19,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:52:19" (3/3) ... [2022-11-18 01:52:19,428 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-11-18 01:52:19,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:52:19,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 01:52:19,455 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:52:19,666 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-18 01:52:19,742 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:52:19,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:52:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:19,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:52:19,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:52:19,822 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:52:19,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:52:19,860 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1c148c36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:52:19,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-18 01:52:20,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1048333101, now seen corresponding path program 1 times [2022-11-18 01:52:20,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565699940] [2022-11-18 01:52:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:21,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:21,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565699940] [2022-11-18 01:52:21,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565699940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:21,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:21,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:52:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121579606] [2022-11-18 01:52:21,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:21,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:52:21,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:52:21,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:52:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:21,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:21,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2022-11-18 01:52:21,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:21,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:52:21,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1773912809, now seen corresponding path program 1 times [2022-11-18 01:52:21,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:21,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461668618] [2022-11-18 01:52:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:21,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:22,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:22,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461668618] [2022-11-18 01:52:22,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461668618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:22,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:22,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 01:52:22,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578017917] [2022-11-18 01:52:22,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:22,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 01:52:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:22,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 01:52:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 01:52:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:22,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:22,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 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) [2022-11-18 01:52:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:23,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:23,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:23,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:52:23,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash 882612078, now seen corresponding path program 1 times [2022-11-18 01:52:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:23,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549840101] [2022-11-18 01:52:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:24,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:24,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549840101] [2022-11-18 01:52:24,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549840101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:24,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:24,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:52:24,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776959436] [2022-11-18 01:52:24,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:24,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:52:24,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:24,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:52:24,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:52:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:24,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 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) [2022-11-18 01:52:24,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:24,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:52:24,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:52:24,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:24,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:24,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1468164594, now seen corresponding path program 1 times [2022-11-18 01:52:24,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:24,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466577674] [2022-11-18 01:52:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:24,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:24,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:24,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466577674] [2022-11-18 01:52:24,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466577674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:24,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:24,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:52:24,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117736450] [2022-11-18 01:52:24,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:24,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:52:24,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:24,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:52:24,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:52:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:24,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-11-18 01:52:24,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:24,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:52:24,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:52:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:24,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 01:52:24,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:24,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1468164593, now seen corresponding path program 1 times [2022-11-18 01:52:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:24,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574913737] [2022-11-18 01:52:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:24,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:24,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574913737] [2022-11-18 01:52:24,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574913737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:52:24,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:52:24,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:52:24,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699591754] [2022-11-18 01:52:24,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:52:24,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 01:52:24,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:24,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 01:52:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 01:52:24,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:24,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-11-18 01:52:24,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:24,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:24,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:52:24,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:24,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:25,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:52:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:25,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 01:52:25,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash 944687534, now seen corresponding path program 1 times [2022-11-18 01:52:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:25,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346508502] [2022-11-18 01:52:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:25,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:25,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346508502] [2022-11-18 01:52:25,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346508502] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:25,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793445953] [2022-11-18 01:52:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:25,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:25,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:25,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:25,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:52:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:25,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 01:52:25,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:52:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:26,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:52:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:27,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793445953] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:52:27,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:52:27,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-11-18 01:52:27,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953218185] [2022-11-18 01:52:27,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:52:27,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 01:52:27,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:52:27,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 01:52:27,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-11-18 01:52:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:27,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:52:27,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.428571428571429) internal successors, (202), 14 states have internal predecessors, (202), 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) [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:52:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:52:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:52:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:52:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 01:52:28,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 01:52:28,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 01:52:28,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 19 more)] === [2022-11-18 01:52:28,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:52:28,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1936853299, now seen corresponding path program 1 times [2022-11-18 01:52:28,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:52:28,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501009569] [2022-11-18 01:52:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:28,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:52:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:52:56,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:52:56,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501009569] [2022-11-18 01:52:56,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501009569] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:52:56,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453075465] [2022-11-18 01:52:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:52:56,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:52:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:52:56,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:52:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637f6a8d-b5ac-4987-bf6f-9ca14c75641e/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:52:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:52:57,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-18 01:52:57,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:57:45,820 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:58:48,150 WARN L233 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 02:00:18,151 WARN L233 SmtUtils]: Spent 9.63s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 02:01:49,875 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)