./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:48,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:48,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:53:48,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:48,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:48,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:48,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:48,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:48,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:48,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:48,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:48,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:48,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:48,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:48,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:48,548 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:53:48,548 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:53:48,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:48,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:48,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:48,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:48,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:48,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:48,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:48,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:48,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:48,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:48,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:48,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:48,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:48,555 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:48,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:48,556 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_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2023-11-19 02:53:48,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:48,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:48,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:48,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:48,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:48,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-19 02:53:51,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:52,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:52,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-19 02:53:52,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/data/8d74ebaf6/43714a858a3d476ba6389fe9b7164808/FLAG487eaf130 [2023-11-19 02:53:52,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/data/8d74ebaf6/43714a858a3d476ba6389fe9b7164808 [2023-11-19 02:53:52,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:52,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:52,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:52,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:52,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:52,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d4f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52, skipping insertion in model container [2023-11-19 02:53:52,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:53,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:53,087 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:53,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:53,288 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:53,296 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:53,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53 WrapperNode [2023-11-19 02:53:53,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:53,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:53,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:53,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:53,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,444 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1572 [2023-11-19 02:53:53,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:53,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:53,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:53,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:53,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:53,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:53,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:53,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:53,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:53,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:53,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:53,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f420f34-5ec7-4fbe-b777-27243ba3f030/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:53:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:53:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:53,980 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:53,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:56,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:58,453 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:58,454 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:53:58,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:58 BoogieIcfgContainer [2023-11-19 02:53:58,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:58,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:58,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:58,478 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:58,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:58" (1/1) ... [2023-11-19 02:53:58,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 163 states and 271 transitions. [2023-11-19 02:53:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 271 transitions. [2023-11-19 02:53:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:58,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 163 states and 269 transitions. [2023-11-19 02:53:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 269 transitions. [2023-11-19 02:53:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:58,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 165 states and 272 transitions. [2023-11-19 02:53:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2023-11-19 02:53:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:59,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-19 02:53:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-19 02:53:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:53:59,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 165 states and 266 transitions. [2023-11-19 02:53:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2023-11-19 02:53:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:59,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 165 states and 260 transitions. [2023-11-19 02:53:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 260 transitions. [2023-11-19 02:53:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:53:59,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:59,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:09,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2023-11-19 02:54:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-19 02:54:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:09,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:10,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:30,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:40,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 170 states and 260 transitions. [2023-11-19 02:54:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 260 transitions. [2023-11-19 02:54:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:40,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:40,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:40,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:40,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2023-11-19 02:54:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2023-11-19 02:54:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:54:40,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:40,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 170 states and 256 transitions. [2023-11-19 02:54:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 256 transitions. [2023-11-19 02:54:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:54:41,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:54:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2023-11-19 02:54:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2023-11-19 02:54:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:54:41,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2023-11-19 02:54:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-19 02:54:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:54:41,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:42,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:42,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-11-19 02:54:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-11-19 02:54:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:54:42,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:42,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:42,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:42,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 171 states and 249 transitions. [2023-11-19 02:54:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2023-11-19 02:54:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:54:42,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:42,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:42,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:52,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:54:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 171 states and 247 transitions. [2023-11-19 02:54:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 247 transitions. [2023-11-19 02:54:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:54:52,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:52,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:53,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:53,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.