./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 --- 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-38b53e6 [2022-11-25 17:29:28,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:29:28,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:29:28,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:29:28,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:29:28,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:29:28,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:29:28,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:29:28,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:29:28,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:29:28,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:29:28,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:29:28,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:29:28,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:29:28,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:29:28,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:29:28,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:29:28,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:29:28,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:29:28,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:29:28,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:29:28,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:29:28,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:29:28,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:29:28,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:29:28,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:29:28,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:29:28,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:29:28,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:29:28,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:29:28,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:29:28,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:29:28,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:29:28,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:29:28,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:29:28,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:29:28,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:29:28,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:29:28,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:29:28,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:29:28,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:29:28,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-25 17:29:28,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:29:28,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:29:28,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:29:28,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:29:28,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:29:28,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:29:28,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:29:28,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:29:28,592 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:29:28,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:29:28,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:29:28,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:29:28,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:29:28,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:29:28,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:29:28,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:29:28,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:29:28,595 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:29:28,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:29:28,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:29:28,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:29:28,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:29:28,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:29:28,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:29:28,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:29:28,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:28,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:29:28,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:29:28,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:29:28,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:29:28,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:29:28,598 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:29:28,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:29:28,599 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_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 [2022-11-25 17:29:28,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:29:28,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:29:28,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:29:28,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:29:28,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:29:28,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-11-25 17:29:32,344 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:29:32,632 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:29:32,633 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-11-25 17:29:32,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/data/8480c6cb0/442cd108d08c416a8aca4906e91299c3/FLAG651d4849e [2022-11-25 17:29:32,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/data/8480c6cb0/442cd108d08c416a8aca4906e91299c3 [2022-11-25 17:29:32,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:29:32,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:29:32,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:32,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:29:32,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:29:32,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:32" (1/1) ... [2022-11-25 17:29:32,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c30d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:32, skipping insertion in model container [2022-11-25 17:29:32,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:32" (1/1) ... [2022-11-25 17:29:32,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:29:32,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:29:32,971 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_c2f97063-5624-4aa9-baf2-7a4d5527b11b/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2022-11-25 17:29:33,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:33,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:29:33,144 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_c2f97063-5624-4aa9-baf2-7a4d5527b11b/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2022-11-25 17:29:33,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:33,236 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:29:33,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33 WrapperNode [2022-11-25 17:29:33,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:33,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:33,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:29:33,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:29:33,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,321 INFO L138 Inliner]: procedures = 161, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-11-25 17:29:33,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:33,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:29:33,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:29:33,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:29:33,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:29:33,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:29:33,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:29:33,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:29:33,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (1/1) ... [2022-11-25 17:29:33,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:33,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:33,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:33,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:29:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:29:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:29:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:29:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:29:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:29:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:29:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:29:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:29:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:29:33,478 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:29:33,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:29:33,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:29:33,829 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:29:33,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:29:33,836 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:29:33,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:33 BoogieIcfgContainer [2022-11-25 17:29:33,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:29:33,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:29:33,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:29:33,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:29:33,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:29:32" (1/3) ... [2022-11-25 17:29:33,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5433f2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:33, skipping insertion in model container [2022-11-25 17:29:33,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:33" (2/3) ... [2022-11-25 17:29:33,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5433f2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:33, skipping insertion in model container [2022-11-25 17:29:33,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:33" (3/3) ... [2022-11-25 17:29:33,851 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_66-mine-W-init_true.i [2022-11-25 17:29:33,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:29:33,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 17:29:33,875 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:29:33,924 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:29:33,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 99 flow [2022-11-25 17:29:34,036 INFO L130 PetriNetUnfolder]: 1/46 cut-off events. [2022-11-25 17:29:34,036 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:29:34,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 46 events. 1/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2022-11-25 17:29:34,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 47 transitions, 99 flow [2022-11-25 17:29:34,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 41 transitions, 85 flow [2022-11-25 17:29:34,049 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:29:34,069 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 41 transitions, 85 flow [2022-11-25 17:29:34,074 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 41 transitions, 85 flow [2022-11-25 17:29:34,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 85 flow [2022-11-25 17:29:34,089 INFO L130 PetriNetUnfolder]: 1/41 cut-off events. [2022-11-25 17:29:34,090 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:29:34,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 20. Up to 2 conditions per place. [2022-11-25 17:29:34,091 INFO L119 LiptonReduction]: Number of co-enabled transitions 102 [2022-11-25 17:29:36,181 INFO L134 LiptonReduction]: Checked pairs total: 69 [2022-11-25 17:29:36,181 INFO L136 LiptonReduction]: Total number of compositions: 50 [2022-11-25 17:29:36,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:29:36,210 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=PETRI_NET, 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;@6f3adb0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:29:36,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-25 17:29:36,212 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 17:29:36,213 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:29:36,213 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:29:36,214 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 17:29:36,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-25 17:29:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash 183, now seen corresponding path program 1 times [2022-11-25 17:29:36,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:36,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648242217] [2022-11-25 17:29:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:29:36,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:29:36,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648242217] [2022-11-25 17:29:36,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648242217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:29:36,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:29:36,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 17:29:36,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264393853] [2022-11-25 17:29:36,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:29:36,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:29:36,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:29:36,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:29:36,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:29:36,399 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 97 [2022-11-25 17:29:36,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 7 transitions, 17 flow. Second operand has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2022-11-25 17:29:36,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:29:36,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 97 [2022-11-25 17:29:36,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:29:36,426 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2022-11-25 17:29:36,426 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:29:36,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 6 events. 1/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 1 based on Foata normal form. 0/6 useless extension candidates. Maximal degree in co-relation 8. Up to 7 conditions per place. [2022-11-25 17:29:36,428 INFO L137 encePairwiseOnDemand]: 94/97 looper letters, 4 selfloop transitions, 0 changer transitions 0/4 dead transitions. [2022-11-25 17:29:36,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 4 transitions, 19 flow [2022-11-25 17:29:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:29:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 17:29:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 95 transitions. [2022-11-25 17:29:36,443 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4896907216494845 [2022-11-25 17:29:36,444 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 95 transitions. [2022-11-25 17:29:36,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 95 transitions. [2022-11-25 17:29:36,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:29:36,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 95 transitions. [2022-11-25 17:29:36,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 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) [2022-11-25 17:29:36,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2022-11-25 17:29:36,456 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2022-11-25 17:29:36,459 INFO L175 Difference]: Start difference. First operand has 11 places, 7 transitions, 17 flow. Second operand 2 states and 95 transitions. [2022-11-25 17:29:36,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 4 transitions, 19 flow [2022-11-25 17:29:36,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 8 places, 4 transitions, 18 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 17:29:36,464 INFO L231 Difference]: Finished difference. Result has 8 places, 4 transitions, 10 flow [2022-11-25 17:29:36,467 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=10, PETRI_DIFFERENCE_MINUEND_PLACES=7, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=10, PETRI_PLACES=8, PETRI_TRANSITIONS=4} [2022-11-25 17:29:36,474 INFO L288 CegarLoopForPetriNet]: 11 programPoint places, -3 predicate places. [2022-11-25 17:29:36,475 INFO L495 AbstractCegarLoop]: Abstraction has has 8 places, 4 transitions, 10 flow [2022-11-25 17:29:36,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2022-11-25 17:29:36,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:29:36,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 17:29:36,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:29:36,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-25 17:29:36,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash 177287, now seen corresponding path program 1 times [2022-11-25 17:29:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:36,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979958010] [2022-11-25 17:29:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:36,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:29:36,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:29:36,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979958010] [2022-11-25 17:29:36,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979958010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:29:36,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:29:36,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:29:36,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865886180] [2022-11-25 17:29:36,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:29:36,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:29:36,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:29:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:29:36,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:29:36,804 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 97 [2022-11-25 17:29:36,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 8 places, 4 transitions, 10 flow. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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) [2022-11-25 17:29:36,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:29:36,805 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 97 [2022-11-25 17:29:36,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:29:36,811 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-11-25 17:29:36,811 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:29:36,811 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 3 conditions per place. [2022-11-25 17:29:36,812 INFO L137 encePairwiseOnDemand]: 95/97 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2022-11-25 17:29:36,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9 places, 3 transitions, 14 flow [2022-11-25 17:29:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:29:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:29:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2022-11-25 17:29:36,814 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4261168384879725 [2022-11-25 17:29:36,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 124 transitions. [2022-11-25 17:29:36,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 124 transitions. [2022-11-25 17:29:36,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:29:36,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 124 transitions. [2022-11-25 17:29:36,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-11-25 17:29:36,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2022-11-25 17:29:36,818 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2022-11-25 17:29:36,818 INFO L175 Difference]: Start difference. First operand has 8 places, 4 transitions, 10 flow. Second operand 3 states and 124 transitions. [2022-11-25 17:29:36,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 9 places, 3 transitions, 14 flow [2022-11-25 17:29:36,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 9 places, 3 transitions, 14 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 17:29:36,818 INFO L231 Difference]: Finished difference. Result has 9 places, 0 transitions, 0 flow [2022-11-25 17:29:36,819 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=8, PETRI_DIFFERENCE_MINUEND_PLACES=7, 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=3, PETRI_FLOW=0, PETRI_PLACES=9, PETRI_TRANSITIONS=0} [2022-11-25 17:29:36,819 INFO L288 CegarLoopForPetriNet]: 11 programPoint places, -2 predicate places. [2022-11-25 17:29:36,819 INFO L495 AbstractCegarLoop]: Abstraction has has 9 places, 0 transitions, 0 flow [2022-11-25 17:29:36,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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) [2022-11-25 17:29:36,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 5 remaining) [2022-11-25 17:29:36,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-11-25 17:29:36,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (2 of 5 remaining) [2022-11-25 17:29:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-11-25 17:29:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-25 17:29:36,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:29:36,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:29:36,828 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 17:29:36,828 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:29:36,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:29:36 BasicIcfg [2022-11-25 17:29:36,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:29:36,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:29:36,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:29:36,833 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:29:36,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:33" (3/4) ... [2022-11-25 17:29:36,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:29:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 17:29:36,847 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 17:29:36,848 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:29:36,848 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:29:36,848 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:29:36,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:29:36,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:29:36,879 INFO L158 Benchmark]: Toolchain (without parser) took 4211.41ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 107.7MB in the beginning and 93.3MB in the end (delta: 14.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,879 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:36,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.95ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 111.3MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.19ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,881 INFO L158 Benchmark]: Boogie Preprocessor took 51.71ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 108.3MB in the end (delta: 958.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:36,881 INFO L158 Benchmark]: RCFGBuilder took 463.68ms. Allocated memory is still 151.0MB. Free memory was 108.3MB in the beginning and 96.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,882 INFO L158 Benchmark]: TraceAbstraction took 2990.26ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 96.2MB in the beginning and 96.4MB in the end (delta: -218.2kB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,882 INFO L158 Benchmark]: Witness Printer took 45.39ms. Allocated memory is still 182.5MB. Free memory was 96.4MB in the beginning and 93.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:36,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.95ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 111.3MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.19ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.71ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 108.3MB in the end (delta: 958.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.68ms. Allocated memory is still 151.0MB. Free memory was 108.3MB in the beginning and 96.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2990.26ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 96.2MB in the beginning and 96.4MB in the end (delta: -218.2kB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 45.39ms. Allocated memory is still 182.5MB. Free memory was 96.4MB in the beginning and 93.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 44 PlacesBefore, 11 PlacesAfterwards, 41 TransitionsBefore, 7 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 50 TotalNumberOfCompositions, 69 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, independent: 69, independent conditional: 0, independent unconditional: 69, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 65, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 65, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 685]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 52 locations, 5 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: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 17:29:36,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f97063-5624-4aa9-baf2-7a4d5527b11b/bin/uautomizer-ZsLfNo2U6R/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