./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.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_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/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_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/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_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:30,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:30,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:47:30,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:30,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:30,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:30,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:30,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:30,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:30,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:30,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:30,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:30,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:30,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:30,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:30,620 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:47:30,620 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:47:30,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:30,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:30,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:30,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:30,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:30,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:30,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:30,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:30,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:30,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:30,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:30,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:30,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:30,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:30,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:30,630 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_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2023-11-19 02:47:30,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:30,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:30,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:30,986 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:30,987 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:30,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2023-11-19 02:47:34,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:34,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:34,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2023-11-19 02:47:34,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/data/d4392b0d4/c0ca9c8c85c74a019d4991aab93bb882/FLAG43264f5f2 [2023-11-19 02:47:34,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/data/d4392b0d4/c0ca9c8c85c74a019d4991aab93bb882 [2023-11-19 02:47:34,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:34,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:34,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:34,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:34,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:34,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d03e4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:34, skipping insertion in model container [2023-11-19 02:47:34,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:34" (1/1) ... [2023-11-19 02:47:34,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:35,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:35,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:35,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:36,041 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:47:36,050 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:36,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36 WrapperNode [2023-11-19 02:47:36,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:36,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:36,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:36,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:36,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,249 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 2271 [2023-11-19 02:47:36,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:36,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:36,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:36,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:36,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:36,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:36,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:36,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:36,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:36" (1/1) ... [2023-11-19 02:47:36,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:36,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:36,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:36,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae4e0a3-7bce-4877-9935-bbf9083f74c6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:47:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:47:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:47:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:47:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:36,890 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:36,892 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:39,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:42,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:42,349 INFO L302 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-19 02:47:42,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:42 BoogieIcfgContainer [2023-11-19 02:47:42,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:42,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:42,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:42,379 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:42,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:42" (1/1) ... [2023-11-19 02:47:42,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2023-11-19 02:47:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2023-11-19 02:47:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:47:42,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:42,807 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 02:47:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 205 states and 349 transitions. [2023-11-19 02:47:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2023-11-19 02:47:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:42,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:43,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:43,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 345 transitions. [2023-11-19 02:47:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 345 transitions. [2023-11-19 02:47:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:43,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:43,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:43,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2023-11-19 02:47:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2023-11-19 02:47:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:47:43,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:43,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:43,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2023-11-19 02:47:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2023-11-19 02:47:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:47:43,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:43,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:43,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:46,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:48,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 205 states and 311 transitions. [2023-11-19 02:47:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 311 transitions. [2023-11-19 02:47:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:47:49,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:47:49,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:47:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 206 states and 311 transitions. [2023-11-19 02:47:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2023-11-19 02:47:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:47:49,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:49,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:50,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:47:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2023-11-19 02:47:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-19 02:47:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:47:50,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:50,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:47:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 205 states and 302 transitions. [2023-11-19 02:47:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2023-11-19 02:47:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:47:50,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:51,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:47:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 205 states and 300 transitions. [2023-11-19 02:47:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 300 transitions. [2023-11-19 02:47:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:47:51,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:51,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:51,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:47:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 205 states and 298 transitions. [2023-11-19 02:47:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-11-19 02:47:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:47:52,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:52,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:53,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:08,371 WARN L539 Checker$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 02:48:18,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:28,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 249 states and 353 transitions. [2023-11-19 02:48:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 353 transitions. [2023-11-19 02:48:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:48:28,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2023-11-19 02:48:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2023-11-19 02:48:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:48:29,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 249 states and 349 transitions. [2023-11-19 02:48:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 349 transitions. [2023-11-19 02:48:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:48:29,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:30,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:30,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 244 states and 342 transitions. [2023-11-19 02:48:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 342 transitions. [2023-11-19 02:48:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:48:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:31,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:31,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 244 states and 341 transitions. [2023-11-19 02:48:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 341 transitions. [2023-11-19 02:48:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:48:31,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:31,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:31,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2023-11-19 02:48:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2023-11-19 02:48:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:48:32,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:32,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:32,591 INFO L285 TraceCheckSpWp]: Computing forward predicates...