./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:41,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:41,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-09 00:00:41,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:41,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:41,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:41,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:41,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:41,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:41,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:41,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:41,595 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:00:41,596 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:00:41,596 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:00:41,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:41,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:41,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:41,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:41,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:41,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:41,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:41,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:41,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:41,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:41,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:41,602 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:41,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:41,602 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_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2024-11-09 00:00:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:41,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:41,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:41,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:41,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:41,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i Unable to find full path for "g++" [2024-11-09 00:00:43,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:44,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:44,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2024-11-09 00:00:44,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/data/ca0aab8bb/3f9a45d44a304479a2239bfd38bfb812/FLAG4ea66b862 [2024-11-09 00:00:44,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/data/ca0aab8bb/3f9a45d44a304479a2239bfd38bfb812 [2024-11-09 00:00:44,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:44,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:44,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:44,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:44,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:44,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558e7403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44, skipping insertion in model container [2024-11-09 00:00:44,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:44,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:44,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:44,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:44,750 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:44,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44 WrapperNode [2024-11-09 00:00:44,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:44,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:44,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:44,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:44,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,792 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-09 00:00:44,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:44,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:44,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:44,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:44,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:44,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:44,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:44,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:44,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:44" (1/1) ... [2024-11-09 00:00:44,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:44,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:44,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:00:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:00:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:00:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:45,043 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:45,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:45,214 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:45,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:45,274 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:45,274 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:00:45,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:45 BoogieIcfgContainer [2024-11-09 00:00:45,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:45,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:45,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:45,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:45,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:45" (1/1) ... [2024-11-09 00:00:45,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-09 00:00:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-09 00:00:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:00:45,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:45,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:00:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:00:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:00:45,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:45,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-09 00:00:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-09 00:00:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:00:45,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:45,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-09 00:00:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-09 00:00:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:00:46,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:46,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:00:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:00:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:47,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:47,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-09 00:00:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-09 00:00:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:00:48,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-09 00:00:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-09 00:00:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:00:48,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-09 00:00:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-09 00:00:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:00:53,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:53,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:00:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2024-11-09 00:00:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-11-09 00:00:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:00:56,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:56,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 37 states and 82 transitions. [2024-11-09 00:01:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-11-09 00:01:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:01,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:01,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:01:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 37 states and 81 transitions. [2024-11-09 00:01:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 81 transitions. [2024-11-09 00:01:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:01:02,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:01:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 84 transitions. [2024-11-09 00:01:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2024-11-09 00:01:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:01:03,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:01:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 40 states and 89 transitions. [2024-11-09 00:01:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 89 transitions. [2024-11-09 00:01:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:01:04,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:17,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:01:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 47 states and 104 transitions. [2024-11-09 00:01:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 104 transitions. [2024-11-09 00:01:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:01:18,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:18,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-09 00:01:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-09 00:01:21,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:01:21,108 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2024-11-09 00:01:21,115 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-09 00:01:22,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:01:22,446 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:01:22,446 INFO L77 FloydHoareUtils]: At program point L560-1(lines 554 567) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~length~0#1| 2147483647) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|)) [2024-11-09 00:01:22,447 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:01:22,447 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 554 567) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-09 00:01:22,447 INFO L77 FloydHoareUtils]: At program point L552(line 552) the Hoare annotation is: (let ((.cse1 (select |#length| |ULTIMATE.start_cbzero_#t~post3#1.base|)) (.cse5 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (* 18446744073709551615 .cse5)) (.cse4 (* 18446744073709551615 .cse1)) (.cse2 (= (select |#valid| |ULTIMATE.start_cbzero_#t~post3#1.base|) 1)) (.cse3 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (and (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1) (<= 0 (div |ULTIMATE.start_cbzero_~length#1| 18446744073709551616)) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ 2147483645 |ULTIMATE.start_cbzero_~p~0#1.offset| .cse0) 18446744073709551616)) 2147483645) (<= (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| 1) .cse1) (<= 1 |ULTIMATE.start_cbzero_#t~post3#1.offset|) .cse2 .cse3 (<= (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse1 (mod (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| .cse4 2147483646) 18446744073709551616) (mod |ULTIMATE.start_cbzero_~length#1| 18446744073709551616)) (+ |ULTIMATE.start_cbzero_#t~post3#1.offset| .cse5 2147483646)) (<= 2 |ULTIMATE.start_cbzero_~p~0#1.offset|)) (and (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse0 2147483646) 18446744073709551616)) 2147483646) (or (< (+ |ULTIMATE.start_cbzero_~length#1| |ULTIMATE.start_cbzero_~p~0#1.offset| .cse1 (mod (+ 2147483647 .cse4) 18446744073709551616)) (+ .cse5 2147483648)) (= |ULTIMATE.start_cbzero_~length#1| 0)) (= |ULTIMATE.start_cbzero_#t~post3#1.offset| 0) (<= 1 .cse1) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse2 (= |ULTIMATE.start_cbzero_#t~post3#1.base| |ULTIMATE.start_cbzero_~p~0#1.base|) .cse3 (<= 0 |ULTIMATE.start_cbzero_~length#1|))))) [2024-11-09 00:01:22,448 INFO L77 FloydHoareUtils]: At program point L552-1(lines 551 552) the Hoare annotation is: (let ((.cse2 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse1 (* 18446744073709551615 .cse2)) (.cse3 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (and .cse0 (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse1 2147483646) 18446744073709551616)) 2147483646) (or (< (+ |ULTIMATE.start_cbzero_~length#1| |ULTIMATE.start_cbzero_~p~0#1.offset|) (+ .cse2 1)) (= |ULTIMATE.start_cbzero_~length#1| 0)) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) .cse3 (<= 0 |ULTIMATE.start_cbzero_~length#1|)) (and .cse0 (<= 1 .cse2) (<= (+ (mod (+ 2147483647 .cse1) 18446744073709551616) |ULTIMATE.start_cbzero_~length#1|) 2147483647) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) (<= 1 |ULTIMATE.start_cbzero_~length#1|) .cse3)))) [2024-11-09 00:01:22,448 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:01:22,448 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 554 567) no Hoare annotation was computed. [2024-11-09 00:01:22,449 INFO L77 FloydHoareUtils]: At program point L551-1(lines 551 552) the Hoare annotation is: (let ((.cse6 (select |#length| |ULTIMATE.start_cbzero_~p~0#1.base|))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cbzero_~p~0#1.base|) 1)) (.cse1 (div |ULTIMATE.start_cbzero_#t~post2#1| 18446744073709551616)) (.cse2 (* 18446744073709551615 .cse6)) (.cse4 (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (let ((.cse5 (mod |ULTIMATE.start_cbzero_#t~post2#1| 18446744073709551616))) (let ((.cse3 (< .cse5 1))) (and .cse0 (<= 0 .cse1) (<= 1 |ULTIMATE.start_cbzero_~p~0#1.offset|) (<= (+ |ULTIMATE.start_cbzero_~length#1| (mod (+ |ULTIMATE.start_cbzero_~p~0#1.offset| .cse2 2147483646) 18446744073709551616)) 2147483645) (or .cse3 (< |ULTIMATE.start_cbzero_#t~post2#1| (+ |ULTIMATE.start_cbzero_~length#1| 2))) .cse4 (or .cse3 (< (+ .cse5 |ULTIMATE.start_cbzero_~p~0#1.offset|) (+ .cse6 1)))))) (and .cse0 (<= .cse1 0) (<= (+ (mod (+ 2147483647 .cse2) 18446744073709551616) |ULTIMATE.start_cbzero_~length#1|) 2147483646) (<= 1 .cse6) (= |ULTIMATE.start_cbzero_~p~0#1.offset| 0) (<= 1 |ULTIMATE.start_cbzero_#t~post2#1|) .cse4 (<= 0 |ULTIMATE.start_cbzero_~length#1|))))) [2024-11-09 00:01:22,449 INFO L77 FloydHoareUtils]: At program point L547(lines 547 553) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_#t~malloc6#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-09 00:01:22,456 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-09 00:01:22,457 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:01:22,460 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:01:22,460 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 00:01:22,462 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 00:01:22,462 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 00:01:22,462 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 00:01:22,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 00:01:22,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 00:01:22,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 00:01:22,464 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 00:01:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-09 00:01:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-09 00:01:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:01:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 00:01:22,465 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 00:01:22,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 00:01:22,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 00:01:22,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 00:01:22,467 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 00:01:22,467 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-09 00:01:22,467 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-09 00:01:22,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:22 ImpRootNode [2024-11-09 00:01:22,471 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:22,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:22,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:22,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:22,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:45" (3/4) ... [2024-11-09 00:01:22,476 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:01:22,482 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 00:01:22,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:01:22,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 00:01:22,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:01:22,568 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:01:22,569 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:01:22,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:22,572 INFO L158 Benchmark]: Toolchain (without parser) took 38332.51ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 111.0MB in the beginning and 173.8MB in the end (delta: -62.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,573 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:22,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.19ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 92.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:22,574 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 89.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,575 INFO L158 Benchmark]: RCFGBuilder took 458.82ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 77.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,575 INFO L158 Benchmark]: CodeCheck took 37195.65ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 77.0MB in the beginning and 178.0MB in the end (delta: -100.9MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,576 INFO L158 Benchmark]: Witness Printer took 99.84ms. Allocated memory is still 262.1MB. Free memory was 178.0MB in the beginning and 173.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:22,578 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 373 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 627 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2366 IncrementalHoareTripleChecker+Invalid, 2993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 627 mSolverCounterUnsat, 137 mSDtfsCounter, 2366 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1485 GetRequests, 1235 SyntacticMatches, 26 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19383 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 27/76 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((0 <= length) || (1 <= length)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.19ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 92.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 89.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.82ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 77.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 37195.65ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 77.0MB in the beginning and 178.0MB in the end (delta: -100.9MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 99.84ms. Allocated memory is still 262.1MB. Free memory was 178.0MB in the beginning and 173.8MB in the end (delta: 4.2MB). 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: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-11-09 00:01:22,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c7fbe3-46c0-4686-96b5-c67e50970bd6/bin/ukojak-verify-ImItNfHLgk/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