./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:57,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:57,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:36:57,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:57,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:57,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:57,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:57,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:57,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:57,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:57,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:36:57,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:57,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:36:57,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:57,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:57,467 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:36:57,468 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:36:57,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:57,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:57,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:57,471 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:36:57,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:57,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:57,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:57,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:57,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:57,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:57,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:57,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:57,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:57,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:57,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:57,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2023-11-19 03:36:57,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:57,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:57,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:57,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:57,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:57,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-19 03:37:01,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:01,645 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:01,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-19 03:37:01,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/data/52f4f74f7/1fab3f01964d4c17b6a3c6c8dbd9faee/FLAGe20e5cb22 [2023-11-19 03:37:01,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/data/52f4f74f7/1fab3f01964d4c17b6a3c6c8dbd9faee [2023-11-19 03:37:01,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:01,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:01,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:01,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:01,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:01,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:01" (1/1) ... [2023-11-19 03:37:01,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:01, skipping insertion in model container [2023-11-19 03:37:01,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:01" (1/1) ... [2023-11-19 03:37:01,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:02,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:02,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:02,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:02,811 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:02,820 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:02,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02 WrapperNode [2023-11-19 03:37:02,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:02,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:02,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:02,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:02,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:02,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,063 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1420 [2023-11-19 03:37:03,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:03,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:03,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:03,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:03,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:03,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:03,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:03,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:03,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:02" (1/1) ... [2023-11-19 03:37:03,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:03,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:03,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:37:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:37:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:37:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:37:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:37:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:37:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:03,603 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:03,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:05,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:07,206 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:07,206 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:37:07,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:07 BoogieIcfgContainer [2023-11-19 03:37:07,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:07,217 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:07,217 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:07,228 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:07,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:07" (1/1) ... [2023-11-19 03:37:07,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-19 03:37:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-19 03:37:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:37:07,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:07,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-11-19 03:37:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-11-19 03:37:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:37:07,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2023-11-19 03:37:07,896 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-19 03:37:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:37:07,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:07,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:08,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:08,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-19 03:37:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-19 03:37:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:37:08,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:08,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:08,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:08,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2023-11-19 03:37:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2023-11-19 03:37:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:37:08,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:08,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:08,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-11-19 03:37:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-11-19 03:37:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:37:08,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:08,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:08,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:18,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 03:37:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 03:37:18,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:37:18,735 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:37:18,744 INFO L751 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2023-11-19 03:37:18,763 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,768 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,768 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:37:18,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 03:37:18,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,775 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,775 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,775 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:37:18,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:37:18 ImpRootNode [2023-11-19 03:37:18,776 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:37:18,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:37:18,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:37:18,777 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:37:18,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:07" (3/4) ... [2023-11-19 03:37:18,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:37:18,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2023-11-19 03:37:18,823 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 03:37:18,825 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 03:37:18,828 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:37:19,067 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:37:19,067 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:37:19,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:37:19,068 INFO L158 Benchmark]: Toolchain (without parser) took 17357.94ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 161.6MB in the beginning and 132.1MB in the end (delta: 29.5MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,069 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:19,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.54ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 126.2MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.39ms. Allocated memory is still 192.9MB. Free memory was 126.2MB in the beginning and 151.1MB in the end (delta: -24.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,070 INFO L158 Benchmark]: Boogie Preprocessor took 186.70ms. Allocated memory is still 192.9MB. Free memory was 151.1MB in the beginning and 142.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,070 INFO L158 Benchmark]: RCFGBuilder took 3964.45ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 142.7MB in the beginning and 85.0MB in the end (delta: 57.7MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,071 INFO L158 Benchmark]: CodeCheck took 11558.94ms. Allocated memory was 232.8MB in the beginning and 289.4MB in the end (delta: 56.6MB). Free memory was 85.0MB in the beginning and 148.8MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:19,071 INFO L158 Benchmark]: Witness Printer took 291.20ms. Allocated memory is still 289.4MB. Free memory was 148.8MB in the beginning and 132.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:37:19,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 148 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 290 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 107 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 810]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1109.54ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 126.2MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.39ms. Allocated memory is still 192.9MB. Free memory was 126.2MB in the beginning and 151.1MB in the end (delta: -24.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.70ms. Allocated memory is still 192.9MB. Free memory was 151.1MB in the beginning and 142.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3964.45ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 142.7MB in the beginning and 85.0MB in the end (delta: 57.7MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * CodeCheck took 11558.94ms. Allocated memory was 232.8MB in the beginning and 289.4MB in the end (delta: 56.6MB). Free memory was 85.0MB in the beginning and 148.8MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 291.20ms. Allocated memory is still 289.4MB. Free memory was 148.8MB in the beginning and 132.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:37:19,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ece0fb-c64b-4749-9a24-5979c9250dbd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE