./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9 --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 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:08:08,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:08:08,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 00:08:08,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:08:08,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:08:08,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:08:08,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:08:08,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:08:08,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:08:08,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:08:08,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:08:08,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:08:08,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:08:08,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:08:08,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:08:08,797 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:08:08,798 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:08:08,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:08:08,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:08:08,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:08:08,800 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:08:08,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:08:08,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:08:08,803 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:08:08,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:08:08,804 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:08:08,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:08:08,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:08,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:08:08,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:08:08,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:08:08,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:08:08,808 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_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2023-12-03 00:08:09,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:08:09,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:08:09,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:08:09,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:08:09,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:08:09,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-12-03 00:08:12,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:08:12,434 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:08:12,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-12-03 00:08:12,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/data/11329e3ff/b695b84e7c8e4d3eb4292ac0e7414aec/FLAGbabecb429 [2023-12-03 00:08:12,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/data/11329e3ff/b695b84e7c8e4d3eb4292ac0e7414aec [2023-12-03 00:08:12,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:08:12,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:08:12,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:12,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:08:12,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:08:12,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c128630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12, skipping insertion in model container [2023-12-03 00:08:12,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:12,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:12,786 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:08:12,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:12,854 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:08:12,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12 WrapperNode [2023-12-03 00:08:12,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:12,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:12,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:08:12,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:08:12,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,901 INFO L138 Inliner]: procedures = 119, calls = 47, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 172 [2023-12-03 00:08:12,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:12,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:08:12,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:08:12,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:08:12,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:08:12,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:08:12,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:08:12,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:08:12,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:12" (1/1) ... [2023-12-03 00:08:12,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:12,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:08:12,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:08:12,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:08:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:08:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:08:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:08:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:08:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:08:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:08:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:08:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:08:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:08:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:08:13,105 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:08:13,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:08:13,392 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:08:13,459 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:08:13,460 INFO L309 CfgBuilder]: Removed 15 assume(true) statements. [2023-12-03 00:08:13,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:13 BoogieIcfgContainer [2023-12-03 00:08:13,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:08:13,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:08:13,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:08:13,471 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:08:13,471 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:13" (1/1) ... [2023-12-03 00:08:13,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:08:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2023-12-03 00:08:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2023-12-03 00:08:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:08:13,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:13,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2023-12-03 00:08:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-12-03 00:08:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:08:13,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-12-03 00:08:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-12-03 00:08:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:08:14,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-12-03 00:08:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-12-03 00:08:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:08:14,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2023-12-03 00:08:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-12-03 00:08:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:08:14,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:14,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2023-12-03 00:08:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2023-12-03 00:08:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:08:14,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2023-12-03 00:08:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2023-12-03 00:08:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:08:15,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-12-03 00:08:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-12-03 00:08:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:08:15,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2023-12-03 00:08:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-12-03 00:08:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:08:16,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-12-03 00:08:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-12-03 00:08:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:08:16,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-12-03 00:08:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-12-03 00:08:17,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:08:17,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-12-03 00:08:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-12-03 00:08:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:08:20,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:22,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2023-12-03 00:08:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2023-12-03 00:08:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:08:22,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2023-12-03 00:08:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2023-12-03 00:08:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:08:24,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:08:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 181 transitions. [2023-12-03 00:08:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2023-12-03 00:08:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:08:25,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2023-12-03 00:08:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2023-12-03 00:08:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:08:32,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:32,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 216 transitions. [2023-12-03 00:08:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2023-12-03 00:08:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:08:32,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:32,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:08:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 120 states and 222 transitions. [2023-12-03 00:08:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 222 transitions. [2023-12-03 00:08:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:08:33,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 133 states and 257 transitions. [2023-12-03 00:08:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 257 transitions. [2023-12-03 00:08:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:42,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:08:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2023-12-03 00:08:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2023-12-03 00:08:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:42,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 156 states and 317 transitions. [2023-12-03 00:08:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 317 transitions. [2023-12-03 00:08:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:56,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 333 transitions. [2023-12-03 00:08:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 333 transitions. [2023-12-03 00:08:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:08:59,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:08:59,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:08:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:00,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:09:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:00,816 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2023-12-03 00:09:00,845 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,846 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,846 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,846 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-12-03 00:09:00,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 00:09:00,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-12-03 00:09:00,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,849 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-12-03 00:09:00,849 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,849 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-12-03 00:09:00,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:09:00 ImpRootNode [2023-12-03 00:09:00,855 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:09:00,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:09:00,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:09:00,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:09:00,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:13" (3/4) ... [2023-12-03 00:09:00,857 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 00:09:00,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-12-03 00:09:00,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 00:09:00,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem13 [2023-12-03 00:09:00,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-12-03 00:09:00,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-12-03 00:09:00,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-12-03 00:09:00,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:09:00,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:09:00,913 INFO L158 Benchmark]: Toolchain (without parser) took 48448.90ms. Allocated memory was 127.9MB in the beginning and 325.1MB in the end (delta: 197.1MB). Free memory was 89.0MB in the beginning and 260.5MB in the end (delta: -171.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,914 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:00,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.18ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 70.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 127.9MB. Free memory was 70.8MB in the beginning and 68.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,915 INFO L158 Benchmark]: Boogie Preprocessor took 28.94ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,915 INFO L158 Benchmark]: RCFGBuilder took 530.66ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 115.9MB in the end (delta: -49.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,916 INFO L158 Benchmark]: CodeCheck took 47391.92ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 115.9MB in the beginning and 263.7MB in the end (delta: -147.7MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,916 INFO L158 Benchmark]: Witness Printer took 57.33ms. Allocated memory is still 325.1MB. Free memory was 263.7MB in the beginning and 260.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:09:00,918 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, 49 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 47.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3347 SdHoareTripleChecker+Valid, 18.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1460 mSDsluCounter, 2599 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1813 mSDsCounter, 1010 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4881 IncrementalHoareTripleChecker+Invalid, 5891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1010 mSolverCounterUnsat, 786 mSDtfsCounter, 4881 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2970 GetRequests, 2640 SyntacticMatches, 16 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40831 ImplicationChecksByTransitivity, 37.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 4407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 21/89 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 - CounterExampleResult [Line: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1004] BCK* bucket = malloc(sizeof(BCK)); [L1005] bucket->data = 0 [L1006] bucket->list = ((void*)0) [L1008] bucket->next = malloc(sizeof(BCK)) [L1009] EXPR bucket->next [L1009] BCK* bcki = bucket->next; [L1010] bcki->data = 1 [L1011] bcki->list = ((void*)0) [L1013] bcki->next = malloc(sizeof(BCK)) [L1014] EXPR bcki->next [L1014] bcki = bcki->next [L1015] bcki->data = 2 [L1016] bcki->list = ((void*)0) [L1017] bcki->next = ((void*)0) [L1019] struct TSLL* item = ((void*)0); [L1020] struct TSLL* itr = ((void*)0); VAL [bcki={-1:0}, bucket={-4:0}, item={0:0}, itr={0:0}] [L1021] COND TRUE __VERIFIER_nondet_int() [L1023] item = malloc(sizeof(SLL)) [L1024] item->next = ((void*)0) [L1025] COND TRUE __VERIFIER_nondet_int() [L1026] item->data = 0 [L1032] bcki = bucket VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1034] COND FALSE !(!(bcki != ((void*)0))) VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1035] COND FALSE !(!(item != ((void*)0))) VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1036] EXPR bcki->data [L1036] EXPR item->data VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1036] COND FALSE !(bcki->data != item->data) [L1038] COND FALSE !(!(bcki != ((void*)0))) VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1040] EXPR bcki->list VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1040] COND TRUE bcki->list == ((void*)0) [L1041] bcki->list = item VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1021] COND FALSE !(__VERIFIER_nondet_int()) [L1052] bcki = bucket VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1053] COND TRUE bcki != ((void*)0) [L1055] EXPR bcki->list [L1055] item = bcki->list [L1056] bcki->list = ((void*)0) VAL [bcki={-4:0}, bucket={-4:0}, item={-2:0}, itr={0:0}] [L1057] COND TRUE item != ((void*)0) [L1059] itr = item [L1060] EXPR item->next [L1060] item = item->next [L1061] EXPR itr->data [L1061] EXPR bcki->data VAL [bcki={-4:0}, bucket={-4:0}, item={0:0}, itr={-2:0}] [L1061] COND TRUE !(itr->data != bcki->data) [L1061] CALL reach_error() [L985] COND FALSE !(0) [L985] __assert_fail ("0", "sll-buckets-2.c", 14, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.18ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 70.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 127.9MB. Free memory was 70.8MB in the beginning and 68.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.94ms. Allocated memory is still 127.9MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.66ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 115.9MB in the end (delta: -49.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * CodeCheck took 47391.92ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 115.9MB in the beginning and 263.7MB in the end (delta: -147.7MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 57.33ms. Allocated memory is still 325.1MB. Free memory was 263.7MB in the beginning and 260.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem13 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem13 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 00:09:00,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdf11d1-fea2-4d72-b7a9-60343a47175f/bin/ukojak-verify-Qdu7aM0XO9/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)