./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi --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 adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:55,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:55,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:54:55,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:55,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:55,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:55,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:55,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:55,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:55,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:55,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:55,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:55,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:55,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:55,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:55,357 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:55,357 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:55,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:55,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:55,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:55,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:55,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:55,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:55,361 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:55,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:55,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:55,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:55,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:55,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:55,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:55,366 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:55,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:55,367 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_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 [2023-11-24 22:54:55,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:55,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:55,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:55,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:55,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:55,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2023-11-24 22:54:58,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:59,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:59,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2023-11-24 22:54:59,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/data/dc37b84a0/c1d0558ca9b04c478f726559761e1b20/FLAG30c1bba94 [2023-11-24 22:54:59,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/data/dc37b84a0/c1d0558ca9b04c478f726559761e1b20 [2023-11-24 22:54:59,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:59,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:59,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:59,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:59,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:59,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:59" (1/1) ... [2023-11-24 22:54:59,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f26027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:59, skipping insertion in model container [2023-11-24 22:54:59,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:59" (1/1) ... [2023-11-24 22:54:59,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:00,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:00,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:00,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:00,230 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:00,239 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:00,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00 WrapperNode [2023-11-24 22:55:00,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:00,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:00,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:00,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:00,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,408 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1958 [2023-11-24 22:55:00,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:00,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:00,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:00,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:00,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:00,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:00,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:00,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:00,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:00,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:00,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:00,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:00,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f9cb3c-9511-403e-bc2d-4e1b6ece774a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:55:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:00,938 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:00,940 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:03,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:06,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:06,057 INFO L309 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-24 22:55:06,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:06 BoogieIcfgContainer [2023-11-24 22:55:06,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:06,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:06,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:06,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:06,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 176 states and 298 transitions. [2023-11-24 22:55:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2023-11-24 22:55:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:06,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 177 states and 300 transitions. [2023-11-24 22:55:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 300 transitions. [2023-11-24 22:55:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:06,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:06,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 177 states and 296 transitions. [2023-11-24 22:55:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 296 transitions. [2023-11-24 22:55:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:06,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:06,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-11-24 22:55:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-11-24 22:55:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:55:06,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:06,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-24 22:55:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-24 22:55:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:55:06,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:07,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:17,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:27,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:27,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 177 states and 262 transitions. [2023-11-24 22:55:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-24 22:55:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:55:27,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:27,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:28,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:55:28,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2023-11-24 22:55:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-24 22:55:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:55:28,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:28,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:28,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 177 states and 257 transitions. [2023-11-24 22:55:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2023-11-24 22:55:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:55:29,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:29,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:29,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:29,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 177 states and 253 transitions. [2023-11-24 22:55:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2023-11-24 22:55:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:55:29,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:30,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:30,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 177 states and 251 transitions. [2023-11-24 22:55:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2023-11-24 22:55:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:55:30,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:30,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:30,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:40,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 177 states and 249 transitions. [2023-11-24 22:55:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 249 transitions. [2023-11-24 22:55:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:55:40,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:41,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:51,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:01,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []