./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/reorder_2-2.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_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/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_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/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_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/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 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:52,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:52,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:59:52,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:52,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:52,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:52,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:52,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:52,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:52,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:52,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:52,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:52,222 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:52,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:52,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:59:52,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:52,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:59:52,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:52,226 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:59:52,226 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:59:52,227 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:59:52,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:52,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:59:52,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:59:52,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:59:52,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:52,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:52,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:52,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:52,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:52,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:52,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:52,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:52,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:59:52,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:52,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:52,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:52,235 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:52,235 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_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 [2023-11-19 07:59:52,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:52,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:52,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:52,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:52,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:52,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread/reorder_2-2.i [2023-11-19 07:59:55,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:56,050 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:56,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/sv-benchmarks/c/pthread/reorder_2-2.i [2023-11-19 07:59:56,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/data/b52c3ee10/b1f5c48b0c284bdd999ac29c5643ebab/FLAG29ee6acd8 [2023-11-19 07:59:56,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/data/b52c3ee10/b1f5c48b0c284bdd999ac29c5643ebab [2023-11-19 07:59:56,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:56,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:56,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:56,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:56,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:56,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:56" (1/1) ... [2023-11-19 07:59:56,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:56, skipping insertion in model container [2023-11-19 07:59:56,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:56" (1/1) ... [2023-11-19 07:59:56,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:56,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:56,906 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:57,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:57,128 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:57,128 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:57,129 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:57,138 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:57,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57 WrapperNode [2023-11-19 07:59:57,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:57,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:57,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:57,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:57,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,213 INFO L138 Inliner]: procedures = 374, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 171 [2023-11-19 07:59:57,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:57,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:57,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:57,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:57,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:57,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:57,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:57,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:57,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (1/1) ... [2023-11-19 07:59:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:57,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:57,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 07:59:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:59:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:59:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-19 07:59:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-19 07:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-19 07:59:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-19 07:59:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:57,386 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 07:59:57,620 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:57,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:58,152 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:58,162 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:58,163 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:59:58,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58 BoogieIcfgContainer [2023-11-19 07:59:58,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:58,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:58,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:58,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:58,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:56" (1/3) ... [2023-11-19 07:59:58,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee0d92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:58, skipping insertion in model container [2023-11-19 07:59:58,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:57" (2/3) ... [2023-11-19 07:59:58,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee0d92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:58, skipping insertion in model container [2023-11-19 07:59:58,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58" (3/3) ... [2023-11-19 07:59:58,179 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-2.i [2023-11-19 07:59:58,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:58,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-19 07:59:58,199 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:59:58,280 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 07:59:58,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,476 INFO L124 PetriNetUnfolderBase]: 37/460 cut-off events. [2023-11-19 07:59:58,476 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:59:58,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 460 events. 37/460 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2076 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 244. Up to 8 conditions per place. [2023-11-19 07:59:58,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,498 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,504 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:59:58,523 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,528 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 213 transitions, 446 flow [2023-11-19 07:59:58,694 INFO L124 PetriNetUnfolderBase]: 37/460 cut-off events. [2023-11-19 07:59:58,694 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:59:58,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 460 events. 37/460 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2076 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 244. Up to 8 conditions per place. [2023-11-19 07:59:58,705 INFO L119 LiptonReduction]: Number of co-enabled transitions 4620 [2023-11-19 08:00:27,047 INFO L134 LiptonReduction]: Checked pairs total: 8413 [2023-11-19 08:00:27,047 INFO L136 LiptonReduction]: Total number of compositions: 255 [2023-11-19 08:00:27,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:27,071 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;@408ca632, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:27,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-11-19 08:00:27,074 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:00:27,074 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 08:00:27,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:00:27,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:00:27,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:00:27,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 30 more)] === [2023-11-19 08:00:27,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash 789, now seen corresponding path program 1 times [2023-11-19 08:00:27,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:27,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130616389] [2023-11-19 08:00:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:27,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:27,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:00:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:27,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:00:27,253 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:00:27,254 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 33 remaining) [2023-11-19 08:00:27,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (31 of 33 remaining) [2023-11-19 08:00:27,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 33 remaining) [2023-11-19 08:00:27,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 33 remaining) [2023-11-19 08:00:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 33 remaining) [2023-11-19 08:00:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 33 remaining) [2023-11-19 08:00:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 33 remaining) [2023-11-19 08:00:27,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 33 remaining) [2023-11-19 08:00:27,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 33 remaining) [2023-11-19 08:00:27,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 33 remaining) [2023-11-19 08:00:27,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 33 remaining) [2023-11-19 08:00:27,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 33 remaining) [2023-11-19 08:00:27,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 33 remaining) [2023-11-19 08:00:27,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 33 remaining) [2023-11-19 08:00:27,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 33 remaining) [2023-11-19 08:00:27,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 33 remaining) [2023-11-19 08:00:27,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 33 remaining) [2023-11-19 08:00:27,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 33 remaining) [2023-11-19 08:00:27,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 33 remaining) [2023-11-19 08:00:27,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 33 remaining) [2023-11-19 08:00:27,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 33 remaining) [2023-11-19 08:00:27,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 33 remaining) [2023-11-19 08:00:27,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 33 remaining) [2023-11-19 08:00:27,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 33 remaining) [2023-11-19 08:00:27,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 33 remaining) [2023-11-19 08:00:27,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 33 remaining) [2023-11-19 08:00:27,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 33 remaining) [2023-11-19 08:00:27,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 33 remaining) [2023-11-19 08:00:27,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 33 remaining) [2023-11-19 08:00:27,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK (3 of 33 remaining) [2023-11-19 08:00:27,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 33 remaining) [2023-11-19 08:00:27,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 33 remaining) [2023-11-19 08:00:27,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 33 remaining) [2023-11-19 08:00:27,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:00:27,267 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 08:00:27,275 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:00:27,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:00:27,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:27 BasicIcfg [2023-11-19 08:00:27,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:00:27,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:00:27,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:00:27,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:00:27,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:58" (3/4) ... [2023-11-19 08:00:27,292 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 08:00:27,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:00:27,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:00:27,329 INFO L158 Benchmark]: Toolchain (without parser) took 31217.20ms. Allocated memory was 136.3MB in the beginning and 325.1MB in the end (delta: 188.7MB). Free memory was 88.0MB in the beginning and 102.3MB in the end (delta: -14.3MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,329 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 111.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:27,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1022.90ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 87.9MB in the beginning and 132.9MB in the end (delta: -45.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.00ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 129.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,331 INFO L158 Benchmark]: Boogie Preprocessor took 56.69ms. Allocated memory is still 186.6MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,332 INFO L158 Benchmark]: RCFGBuilder took 890.92ms. Allocated memory is still 186.6MB. Free memory was 128.8MB in the beginning and 104.7MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,332 INFO L158 Benchmark]: TraceAbstraction took 29118.04ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 104.7MB in the beginning and 104.4MB in the end (delta: 261.8kB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:27,333 INFO L158 Benchmark]: Witness Printer took 37.75ms. Allocated memory is still 325.1MB. Free memory was 103.4MB in the beginning and 102.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:27,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 111.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1022.90ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 87.9MB in the beginning and 132.9MB in the end (delta: -45.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.00ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 129.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.69ms. Allocated memory is still 186.6MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 890.92ms. Allocated memory is still 186.6MB. Free memory was 128.8MB in the beginning and 104.7MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 29118.04ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 104.7MB in the beginning and 104.4MB in the end (delta: 261.8kB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. * Witness Printer took 37.75ms. Allocated memory is still 325.1MB. Free memory was 103.4MB in the beginning and 102.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.5s, 202 PlacesBefore, 58 PlacesAfterwards, 213 TransitionsBefore, 58 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 10 FixpointIterations, 109 TrivialSequentialCompositions, 111 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 11 ChoiceCompositions, 255 TotalNumberOfCompositions, 8413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6581, independent: 6494, independent conditional: 0, independent unconditional: 6494, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2865, independent: 2854, independent conditional: 0, independent unconditional: 2854, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6581, independent: 3640, independent conditional: 0, independent unconditional: 3640, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 2865, unknown conditional: 0, unknown unconditional: 2865] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, 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: [L1238] static int iSet = 2; [L1239] static int iCheck = 2; [L1240] static int a = 0; [L1241] static int b = 0; [L1247] int i, err; [L1248] COND TRUE argc != 1 [L1249] COND FALSE !(argc != 3) [L1253] argv[1] - UnprovableResult [Line: 20]: 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: 1246]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1266]: 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: 1260]: 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, 221 locations, 33 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: 28.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 28.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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 08:00:27,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aa12b-61f6-40bf-8be5-d2c521ce0f1e/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)