./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:25,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:26,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:50:26,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:26,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:26,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:26,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:26,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:26,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:26,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:26,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:26,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:26,108 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:26,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:26,111 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:26,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:26,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:26,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:26,112 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:50:26,113 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:50:26,113 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:50:26,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:26,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:50:26,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:50:26,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:26,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:26,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:26,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:26,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:26,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:26,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:26,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:26,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:26,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:26,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:26,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:26,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:26,121 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:26,121 INFO L153 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_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd [2023-11-19 07:50:26,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:26,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:26,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:26,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:26,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:26,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/reorder_5.i [2023-11-19 07:50:29,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:29,827 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:29,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/sv-benchmarks/c/pthread/reorder_5.i [2023-11-19 07:50:29,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/data/9a1fec3f6/de72a8bf79f74b56926d8005cc5325e9/FLAG49bd5f23e [2023-11-19 07:50:29,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/data/9a1fec3f6/de72a8bf79f74b56926d8005cc5325e9 [2023-11-19 07:50:29,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:29,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:29,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:29,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:29,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:29,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:29" (1/1) ... [2023-11-19 07:50:29,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e503d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:29, skipping insertion in model container [2023-11-19 07:50:29,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:29" (1/1) ... [2023-11-19 07:50:29,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:30,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:30,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:30,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:30,850 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:30,852 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:30,852 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:30,860 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:30,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30 WrapperNode [2023-11-19 07:50:30,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:30,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:30,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:30,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:30,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,926 INFO L138 Inliner]: procedures = 373, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 183 [2023-11-19 07:50:30,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:30,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:30,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:30,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:30,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:30,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:31,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:31,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:31,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:31,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:31,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (1/1) ... [2023-11-19 07:50:31,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:31,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:31,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-19 07:50:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-19 07:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-19 07:50:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-19 07:50:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:31,087 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:50:31,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:31,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:31,765 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:31,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:31,778 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:50:31,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:31 BoogieIcfgContainer [2023-11-19 07:50:31,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:31,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:31,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:31,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:31,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:29" (1/3) ... [2023-11-19 07:50:31,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768103e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:31, skipping insertion in model container [2023-11-19 07:50:31,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:30" (2/3) ... [2023-11-19 07:50:31,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768103e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:31, skipping insertion in model container [2023-11-19 07:50:31,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:31" (3/3) ... [2023-11-19 07:50:31,799 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2023-11-19 07:50:31,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:31,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-19 07:50:31,822 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:50:31,903 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 07:50:31,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,159 INFO L124 PetriNetUnfolderBase]: 37/472 cut-off events. [2023-11-19 07:50:32,159 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:50:32,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 472 events. 37/472 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2053 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 264. Up to 8 conditions per place. [2023-11-19 07:50:32,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,182 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:50:32,193 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,196 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 217 places, 229 transitions, 478 flow [2023-11-19 07:50:32,272 INFO L124 PetriNetUnfolderBase]: 37/472 cut-off events. [2023-11-19 07:50:32,273 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:50:32,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 472 events. 37/472 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2053 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 264. Up to 8 conditions per place. [2023-11-19 07:50:32,282 INFO L119 LiptonReduction]: Number of co-enabled transitions 3860 [2023-11-19 07:50:55,686 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 236 DAG size of output: 217 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:51:03,946 INFO L134 LiptonReduction]: Checked pairs total: 7875 [2023-11-19 07:51:03,946 INFO L136 LiptonReduction]: Total number of compositions: 273 [2023-11-19 07:51:03,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:03,969 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;@615e8fe1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:03,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-19 07:51:03,972 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:51:03,972 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:51:03,972 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:51:03,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:51:03,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:51:03,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 34 more)] === [2023-11-19 07:51:03,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:03,981 INFO L85 PathProgramCache]: Analyzing trace with hash 829, now seen corresponding path program 1 times [2023-11-19 07:51:03,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:03,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513572741] [2023-11-19 07:51:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:03,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:04,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:04,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:04,164 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:51:04,166 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 37 remaining) [2023-11-19 07:51:04,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (35 of 37 remaining) [2023-11-19 07:51:04,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 37 remaining) [2023-11-19 07:51:04,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 37 remaining) [2023-11-19 07:51:04,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 37 remaining) [2023-11-19 07:51:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 37 remaining) [2023-11-19 07:51:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 37 remaining) [2023-11-19 07:51:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 37 remaining) [2023-11-19 07:51:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 37 remaining) [2023-11-19 07:51:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 37 remaining) [2023-11-19 07:51:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 37 remaining) [2023-11-19 07:51:04,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 37 remaining) [2023-11-19 07:51:04,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 37 remaining) [2023-11-19 07:51:04,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 37 remaining) [2023-11-19 07:51:04,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 37 remaining) [2023-11-19 07:51:04,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 37 remaining) [2023-11-19 07:51:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 37 remaining) [2023-11-19 07:51:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 37 remaining) [2023-11-19 07:51:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 37 remaining) [2023-11-19 07:51:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 37 remaining) [2023-11-19 07:51:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 37 remaining) [2023-11-19 07:51:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 37 remaining) [2023-11-19 07:51:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 37 remaining) [2023-11-19 07:51:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 37 remaining) [2023-11-19 07:51:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 37 remaining) [2023-11-19 07:51:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 37 remaining) [2023-11-19 07:51:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 37 remaining) [2023-11-19 07:51:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 37 remaining) [2023-11-19 07:51:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 37 remaining) [2023-11-19 07:51:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 37 remaining) [2023-11-19 07:51:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 37 remaining) [2023-11-19 07:51:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 37 remaining) [2023-11-19 07:51:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 37 remaining) [2023-11-19 07:51:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK (3 of 37 remaining) [2023-11-19 07:51:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 37 remaining) [2023-11-19 07:51:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 37 remaining) [2023-11-19 07:51:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 37 remaining) [2023-11-19 07:51:04,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:51:04,182 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:51:04,191 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:51:04,192 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:51:04,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:04 BasicIcfg [2023-11-19 07:51:04,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:51:04,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:51:04,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:51:04,209 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:51:04,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:31" (3/4) ... [2023-11-19 07:51:04,211 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:51:04,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:51:04,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:51:04,278 INFO L158 Benchmark]: Toolchain (without parser) took 34392.85ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 108.5MB in the beginning and 183.2MB in the end (delta: -74.7MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,279 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:04,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.01ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 91.8MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.23ms. Allocated memory is still 153.1MB. Free memory was 91.3MB in the beginning and 88.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,281 INFO L158 Benchmark]: Boogie Preprocessor took 75.77ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,281 INFO L158 Benchmark]: RCFGBuilder took 782.70ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 62.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,282 INFO L158 Benchmark]: TraceAbstraction took 32416.29ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 62.0MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,283 INFO L158 Benchmark]: Witness Printer took 69.01ms. Allocated memory is still 222.3MB. Free memory was 60.4MB in the beginning and 183.2MB in the end (delta: -122.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:04,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.01ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 91.8MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.23ms. Allocated memory is still 153.1MB. Free memory was 91.3MB in the beginning and 88.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.77ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.70ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 62.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32416.29ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 62.0MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 69.01ms. Allocated memory is still 222.3MB. Free memory was 60.4MB in the beginning and 183.2MB in the end (delta: -122.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.8s, 217 PlacesBefore, 62 PlacesAfterwards, 229 TransitionsBefore, 62 TransitionsAfterwards, 3860 CoEnabledTransitionPairs, 10 FixpointIterations, 128 TrivialSequentialCompositions, 108 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 12 ChoiceCompositions, 273 TotalNumberOfCompositions, 7875 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5750, independent: 5668, independent conditional: 0, independent unconditional: 5668, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2299, independent: 2291, independent conditional: 0, independent unconditional: 2291, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5750, independent: 3377, independent conditional: 0, independent unconditional: 3377, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 2299, unknown conditional: 0, unknown unconditional: 2299] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1229] static int iSet = 4; [L1230] static int iCheck = 1; [L1231] static int a = 0; [L1232] static int b = 0; [L1239] int i, err; [L1240] COND TRUE argc != 1 [L1241] COND FALSE !(argc != 3) [L1245] argv[1] - UnprovableResult [Line: 11]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1261]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 233 locations, 37 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: 32.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 32.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:51:04,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f995c86c-a2c6-4f66-8421-bff949f720c9/bin/uautomizer-verify-uCwYo4JHxu/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)