./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/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_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/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_8b880f37-63c8-4526-aaee-60292cfee3b7/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 f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:20:10,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:20:11,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-03 02:20:11,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:20:11,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:20:11,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:20:11,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:20:11,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:20:11,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:20:11,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:20:11,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:20:11,139 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 02:20:11,139 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 02:20:11,140 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 02:20:11,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:20:11,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:20:11,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:20:11,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:20:11,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:20:11,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:20:11,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:20:11,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:20:11,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:20:11,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:20:11,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:20:11,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:20:11,149 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_8b880f37-63c8-4526-aaee-60292cfee3b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d [2023-12-03 02:20:11,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:20:11,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:20:11,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:20:11,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:20:11,509 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:20:11,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2023-12-03 02:20:14,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:20:14,890 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:20:14,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2023-12-03 02:20:14,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/data/f06d50cc2/600f3ae21e0144c19533cb6dfd2c4cdb/FLAGb19780d37 [2023-12-03 02:20:14,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/data/f06d50cc2/600f3ae21e0144c19533cb6dfd2c4cdb [2023-12-03 02:20:14,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:20:14,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:20:14,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:20:14,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:20:14,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:20:14,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:20:14" (1/1) ... [2023-12-03 02:20:14,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b226c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:14, skipping insertion in model container [2023-12-03 02:20:14,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:20:14" (1/1) ... [2023-12-03 02:20:14,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:20:15,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:20:15,303 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:20:15,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:20:15,378 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:20:15,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15 WrapperNode [2023-12-03 02:20:15,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:20:15,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:20:15,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:20:15,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:20:15,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,427 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-12-03 02:20:15,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:20:15,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:20:15,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:20:15,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:20:15,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:20:15,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:20:15,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:20:15,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:20:15,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:20:15,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:20:15,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:20:15,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:20:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:20:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:20:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:20:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:20:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:20:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:20:15,683 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:20:15,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:20:15,889 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:20:15,932 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:20:15,933 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:20:15,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:20:15 BoogieIcfgContainer [2023-12-03 02:20:15,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:20:15,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:20:15,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:20:15,945 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:20:15,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:20:15" (1/1) ... [2023-12-03 02:20:15,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:20:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-12-03 02:20:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-12-03 02:20:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 02:20:16,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:16,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:16,317 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 02:20:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-12-03 02:20:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-12-03 02:20:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 02:20:16,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:16,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:16,530 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 02:20:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-12-03 02:20:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-12-03 02:20:16,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:20:16,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:16,699 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 02:20:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-12-03 02:20:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-12-03 02:20:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:20:16,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:16,952 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 02:20:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-12-03 02:20:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-12-03 02:20:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:20:17,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:17,267 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 02:20:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2023-12-03 02:20:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-12-03 02:20:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:20:17,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:17,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:17,635 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 02:20:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-12-03 02:20:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-12-03 02:20:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 02:20:18,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:18,155 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 02:20:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2023-12-03 02:20:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-12-03 02:20:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 02:20:18,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:18,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:18,491 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 02:20:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-12-03 02:20:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-12-03 02:20:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:20:18,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:18,798 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 02:20:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2023-12-03 02:20:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-12-03 02:20:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:20:18,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:19,105 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 02:20:19,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-12-03 02:20:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-12-03 02:20:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:20:19,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:19,740 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 02:20:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-12-03 02:20:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-12-03 02:20:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:20:19,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:19,826 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 02:20:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-12-03 02:20:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-12-03 02:20:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:20:20,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:20,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:20,140 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 02:20:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2023-12-03 02:20:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2023-12-03 02:20:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:20:20,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:20,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:20,443 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 02:20:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2023-12-03 02:20:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2023-12-03 02:20:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:20:20,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:20,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:20,977 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 02:20:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2023-12-03 02:20:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2023-12-03 02:20:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:20:21,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:21,209 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 02:20:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2023-12-03 02:20:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2023-12-03 02:20:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:20:21,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:21,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:21,469 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 02:20:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2023-12-03 02:20:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2023-12-03 02:20:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:20:22,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:22,271 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 02:20:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2023-12-03 02:20:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2023-12-03 02:20:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:20:22,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:22,553 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 02:20:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 118 transitions. [2023-12-03 02:20:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 118 transitions. [2023-12-03 02:20:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:20:22,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:22,864 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 02:20:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 72 states and 121 transitions. [2023-12-03 02:20:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 121 transitions. [2023-12-03 02:20:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:20:22,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:22,934 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 02:20:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 74 states and 126 transitions. [2023-12-03 02:20:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 126 transitions. [2023-12-03 02:20:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:20:22,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:23,467 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 02:20:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 80 states and 140 transitions. [2023-12-03 02:20:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 140 transitions. [2023-12-03 02:20:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:20:25,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,526 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 02:20:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 79 states and 139 transitions. [2023-12-03 02:20:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 139 transitions. [2023-12-03 02:20:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:20:25,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,597 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 02:20:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 80 states and 139 transitions. [2023-12-03 02:20:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 139 transitions. [2023-12-03 02:20:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:20:25,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:20:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 148 transitions. [2023-12-03 02:20:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 148 transitions. [2023-12-03 02:20:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:20:27,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:20:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 85 states and 152 transitions. [2023-12-03 02:20:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2023-12-03 02:20:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:20:27,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:27,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:20:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 86 states and 154 transitions. [2023-12-03 02:20:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 154 transitions. [2023-12-03 02:20:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:20:28,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,066 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 02:20:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 87 states and 156 transitions. [2023-12-03 02:20:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2023-12-03 02:20:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:20:28,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,156 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 02:20:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2023-12-03 02:20:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2023-12-03 02:20:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:20:28,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,215 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 02:20:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 91 states and 161 transitions. [2023-12-03 02:20:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2023-12-03 02:20:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:20:28,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,292 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 02:20:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 93 states and 162 transitions. [2023-12-03 02:20:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2023-12-03 02:20:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:20:28,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,360 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 02:20:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2023-12-03 02:20:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2023-12-03 02:20:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:20:28,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,432 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 02:20:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 93 states and 163 transitions. [2023-12-03 02:20:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2023-12-03 02:20:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:20:28,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:20:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 95 states and 165 transitions. [2023-12-03 02:20:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2023-12-03 02:20:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:20:28,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:20:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 166 transitions. [2023-12-03 02:20:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 166 transitions. [2023-12-03 02:20:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:20:28,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:28,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:28,680 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 02:20:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2023-12-03 02:20:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2023-12-03 02:20:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:20:29,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:30,015 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 02:20:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2023-12-03 02:20:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2023-12-03 02:20:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:20:31,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:20:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 181 transitions. [2023-12-03 02:20:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2023-12-03 02:20:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:20:34,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:20:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 117 states and 188 transitions. [2023-12-03 02:20:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2023-12-03 02:20:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:20:36,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:20:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2023-12-03 02:20:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-12-03 02:20:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:20:37,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:20:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2023-12-03 02:20:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-12-03 02:20:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:20:37,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:37,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:20:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2023-12-03 02:20:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-12-03 02:20:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:20:39,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:20:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2023-12-03 02:20:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-12-03 02:20:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:20:41,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:20:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:20:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-12-03 02:20:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-12-03 02:20:45,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:20:45,119 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2023-12-03 02:20:45,125 INFO L751 CodeCheckObserver]: All specifications hold 25 specifications checked. All of them hold [2023-12-03 02:20:45,731 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-12-03 02:20:45,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-03 02:20:45,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 02:20:45,740 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 02:20:45,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-03 02:20:45,741 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~x_ref~0!base] could not be translated [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~c~0!base] could not be translated [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 02:20:45,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc2!base could not be translated [2023-12-03 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x_ref~0!base] could not be translated [2023-12-03 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~y_ref~0!base] could not be translated [2023-12-03 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~y_ref~0!base] could not be translated [2023-12-03 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc3!base could not be translated [2023-12-03 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc4!base could not be translated [2023-12-03 02:20:45,743 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 02:20:45,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~c~0!base] could not be translated [2023-12-03 02:20:45,744 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 02:20:45,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:20:45 ImpRootNode [2023-12-03 02:20:45,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:20:45,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:20:45,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:20:45,745 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:20:45,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:20:15" (3/4) ... [2023-12-03 02:20:45,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:20:45,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 02:20:45,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 02:20:45,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 02:20:45,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 02:20:45,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:20:45,856 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:20:45,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:20:45,857 INFO L158 Benchmark]: Toolchain (without parser) took 30929.05ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 139.6MB in the beginning and 201.8MB in the end (delta: -62.2MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,858 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:20:45,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.44ms. Allocated memory is still 174.1MB. Free memory was 139.6MB in the beginning and 122.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.67ms. Allocated memory is still 174.1MB. Free memory was 122.9MB in the beginning and 121.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,859 INFO L158 Benchmark]: Boogie Preprocessor took 31.67ms. Allocated memory is still 174.1MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:20:45,860 INFO L158 Benchmark]: RCFGBuilder took 474.04ms. Allocated memory is still 174.1MB. Free memory was 120.2MB in the beginning and 130.8MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,860 INFO L158 Benchmark]: CodeCheck took 29808.62ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 129.9MB in the beginning and 207.0MB in the end (delta: -77.1MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,860 INFO L158 Benchmark]: Witness Printer took 111.63ms. Allocated memory is still 302.0MB. Free memory was 207.0MB in the beginning and 201.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:20:45,862 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, 44 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 29.2s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7076 SdHoareTripleChecker+Valid, 25.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6394 mSDsluCounter, 3555 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2935 mSDsCounter, 1852 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15663 IncrementalHoareTripleChecker+Invalid, 17515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1852 mSolverCounterUnsat, 620 mSDtfsCounter, 15663 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4744 GetRequests, 4279 SyntacticMatches, 125 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58644 ImplicationChecksByTransitivity, 24.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 3508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 44 PerfectInterpolantSequences, 45/45 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: -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: 567]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.44ms. Allocated memory is still 174.1MB. Free memory was 139.6MB in the beginning and 122.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.67ms. Allocated memory is still 174.1MB. Free memory was 122.9MB in the beginning and 121.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.67ms. Allocated memory is still 174.1MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 474.04ms. Allocated memory is still 174.1MB. Free memory was 120.2MB in the beginning and 130.8MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 29808.62ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 129.9MB in the beginning and 207.0MB in the end (delta: -77.1MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. * Witness Printer took 111.63ms. Allocated memory is still 302.0MB. Free memory was 207.0MB in the beginning and 201.8MB 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[~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 - 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 RESULT: Ultimate proved your program to be correct! [2023-12-03 02:20:45,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b880f37-63c8-4526-aaee-60292cfee3b7/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