./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/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_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/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-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 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:26:46,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:26:46,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-03 00:26:46,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:26:46,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:26:47,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:26:47,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:26:47,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:26:47,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:26:47,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:26:47,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:26:47,010 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:26:47,012 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:26:47,013 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:26:47,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:26:47,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:26:47,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:26:47,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:26:47,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:26:47,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:26:47,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:26:47,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:47,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:26:47,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:26:47,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:26:47,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:26:47,019 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_184129a1-9bd1-455f-afc1-5e06ee679db5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 [2023-12-03 00:26:47,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:26:47,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:26:47,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:26:47,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:26:47,250 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:26:47,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2023-12-03 00:26:49,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:26:50,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:26:50,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2023-12-03 00:26:50,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/data/a03c7ae06/c344e99943f74537900d3ecaabbb9c0a/FLAG66d92283a [2023-12-03 00:26:50,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/data/a03c7ae06/c344e99943f74537900d3ecaabbb9c0a [2023-12-03 00:26:50,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:26:50,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:26:50,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:50,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:26:50,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:26:50,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155934a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50, skipping insertion in model container [2023-12-03 00:26:50,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:50,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:50,439 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:26:50,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:50,497 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:26:50,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50 WrapperNode [2023-12-03 00:26:50,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:50,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:50,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:26:50,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:26:50,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,536 INFO L138 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-12-03 00:26:50,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:50,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:26:50,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:26:50,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:26:50,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:26:50,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:26:50,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:26:50,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:26:50,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:50,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:26:50,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:26:50,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:26:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:26:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:26:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:26:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:26:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:26:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:26:50,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:26:50,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:26:50,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:26:50,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:26:50,905 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:26:50,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:26:50 BoogieIcfgContainer [2023-12-03 00:26:50,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:26:50,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:26:50,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:26:50,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:26:50,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:26:50" (1/1) ... [2023-12-03 00:26:50,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:26:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2023-12-03 00:26:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-12-03 00:26:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:26:50,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,309 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 00:26:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2023-12-03 00:26:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-12-03 00:26:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:26:51,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:51,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,468 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 00:26:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2023-12-03 00:26:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-12-03 00:26:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:26:51,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:51,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,611 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 00:26:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2023-12-03 00:26:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-12-03 00:26:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:26:51,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:51,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,808 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 00:26:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2023-12-03 00:26:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2023-12-03 00:26:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:26:52,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:52,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:52,188 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 00:26:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2023-12-03 00:26:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-12-03 00:26:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:26:52,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:52,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:52,576 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 00:26:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2023-12-03 00:26:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2023-12-03 00:26:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:26:53,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:53,087 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 00:26:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-12-03 00:26:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-12-03 00:26:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:26:53,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:53,434 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 00:26:53,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-12-03 00:26:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-12-03 00:26:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:26:53,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:53,996 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 00:26:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2023-12-03 00:26:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2023-12-03 00:26:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:26:54,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:54,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:54,431 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 00:26:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-12-03 00:26:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-12-03 00:26:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:26:54,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,000 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 00:26:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-12-03 00:26:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-12-03 00:26:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:26:55,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:55,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,370 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 00:26:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:55,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-12-03 00:26:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-12-03 00:26:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:26:55,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,734 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 00:26:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2023-12-03 00:26:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-12-03 00:26:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:26:55,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,955 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 00:26:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2023-12-03 00:26:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2023-12-03 00:26:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:26:56,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,418 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 00:26:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-12-03 00:26:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-12-03 00:26:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:26:57,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:57,998 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 00:26:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2023-12-03 00:26:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-12-03 00:26:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:26:58,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,045 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 00:26:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2023-12-03 00:26:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2023-12-03 00:26:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:26:58,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:26:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-12-03 00:26:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-12-03 00:26:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:26:58,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:26:58,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2023-12-03 00:26:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2023-12-03 00:26:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:26:58,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:26:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2023-12-03 00:26:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2023-12-03 00:26:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:26:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:26:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2023-12-03 00:26:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-12-03 00:26:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:26:58,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:26:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:59,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:26:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:26:59,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:26:59,272 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-12-03 00:26:59,280 INFO L751 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2023-12-03 00:26:59,471 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2023-12-03 00:26:59,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~x_ref~0!base] could not be translated [2023-12-03 00:26:59,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-03 00:26:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 00:26:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 00:26:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 00:26:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 00:26:59,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x_ref~0!base] could not be translated [2023-12-03 00:26:59,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~y_ref~0!base] could not be translated [2023-12-03 00:26:59,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~y_ref~0!base] could not be translated [2023-12-03 00:26:59,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 00:26:59,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 00:26:59,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0][#t~malloc4!base := 0] could not be translated [2023-12-03 00:26:59,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-03 00:26:59,483 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 00:26:59,484 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-12-03 00:26:59,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 00:26:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 00:26:59,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0][#t~malloc4!base := 0] could not be translated [2023-12-03 00:26:59,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-03 00:26:59,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:26:59 ImpRootNode [2023-12-03 00:26:59,487 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:26:59,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:26:59,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:26:59,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:26:59,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:26:50" (3/4) ... [2023-12-03 00:26:59,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:26:59,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 00:26:59,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 00:26:59,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 00:26:59,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 00:26:59,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:26:59,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:26:59,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:26:59,590 INFO L158 Benchmark]: Toolchain (without parser) took 9424.59ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 156.0MB in the beginning and 112.2MB in the end (delta: 43.8MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,590 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:59,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.70ms. Allocated memory is still 203.4MB. Free memory was 155.5MB in the beginning and 139.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.99ms. Allocated memory is still 203.4MB. Free memory was 139.7MB in the beginning and 138.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,592 INFO L158 Benchmark]: Boogie Preprocessor took 19.68ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:59,592 INFO L158 Benchmark]: RCFGBuilder took 349.69ms. Allocated memory is still 203.4MB. Free memory was 136.6MB in the beginning and 121.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,593 INFO L158 Benchmark]: CodeCheck took 8578.58ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 121.9MB in the beginning and 117.4MB in the end (delta: 4.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,593 INFO L158 Benchmark]: Witness Printer took 101.76ms. Allocated memory is still 245.4MB. Free memory was 117.4MB in the beginning and 112.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:26:59,596 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, 29 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1215 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1160 mSDsluCounter, 536 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 446 mSDsCounter, 561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3391 IncrementalHoareTripleChecker+Invalid, 3952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 561 mSolverCounterUnsat, 90 mSDtfsCounter, 3391 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1361 GetRequests, 1176 SyntacticMatches, 31 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11690 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 1243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 13/13 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: -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: -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: -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: -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: -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: -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: -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: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.70ms. Allocated memory is still 203.4MB. Free memory was 155.5MB in the beginning and 139.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.99ms. Allocated memory is still 203.4MB. Free memory was 139.7MB in the beginning and 138.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.68ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.69ms. Allocated memory is still 203.4MB. Free memory was 136.6MB in the beginning and 121.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 8578.58ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 121.9MB in the beginning and 117.4MB in the end (delta: 4.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 101.76ms. Allocated memory is still 245.4MB. Free memory was 117.4MB in the beginning and 112.2MB in the end (delta: 5.2MB). 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: ArrayAccessExpression #valid[~x_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~x_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~y_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~y_ref~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0][#t~malloc4!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc3!base := 0][#t~malloc2!base := 0][#t~malloc4!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 00:26:59,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184129a1-9bd1-455f-afc1-5e06ee679db5/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 Result: TRUE