./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.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_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/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_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/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_d1dd9d52-d429-4c53-8025-5dba54778750/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 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:25,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:25,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:02:25,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:25,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:25,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:25,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:25,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:25,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:25,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:25,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:25,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:25,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:25,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:25,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:25,744 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:02:25,744 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:02:25,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:25,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:25,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:25,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:25,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:25,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:25,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:25,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:25,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:25,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:25,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:25,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:25,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:25,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:25,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:25,766 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_d1dd9d52-d429-4c53-8025-5dba54778750/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ddeff00ba0e288e2e7b04a6005a0db991f8cee358fe3ef021af7107ab321b8e [2023-11-19 04:02:26,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:26,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:26,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:26,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:26,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:26,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2023-11-19 04:02:29,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:29,630 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:29,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-1.i [2023-11-19 04:02:29,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/data/df95943e7/c2c79263dadc4cf6bbe360aad23c120b/FLAG0106a7e12 [2023-11-19 04:02:29,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/data/df95943e7/c2c79263dadc4cf6bbe360aad23c120b [2023-11-19 04:02:29,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:29,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:29,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:29,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:29,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:29,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:29" (1/1) ... [2023-11-19 04:02:29,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e316ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:29, skipping insertion in model container [2023-11-19 04:02:29,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:29" (1/1) ... [2023-11-19 04:02:29,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:30,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:30,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:30,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:30,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:30,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30 WrapperNode [2023-11-19 04:02:30,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:30,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:30,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:30,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:30,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,720 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1582 [2023-11-19 04:02:30,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:30,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:30,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:30,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:30,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:30,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:30,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:30,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:30,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:30" (1/1) ... [2023-11-19 04:02:30,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:31,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:31,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dd9d52-d429-4c53-8025-5dba54778750/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:02:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:02:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:02:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:02:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:02:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:31,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:31,381 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:31,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:33,392 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:35,450 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:35,450 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 04:02:35,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:35 BoogieIcfgContainer [2023-11-19 04:02:35,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:35,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:35,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:35,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:35,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:35" (1/1) ... [2023-11-19 04:02:35,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 172 states and 279 transitions. [2023-11-19 04:02:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2023-11-19 04:02:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:35,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:35,761 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 04:02:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2023-11-19 04:02:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-11-19 04:02:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:35,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:35,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:35,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:35,934 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 04:02:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 277 transitions. [2023-11-19 04:02:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 277 transitions. [2023-11-19 04:02:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:35,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:35,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:36,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,035 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 04:02:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 173 states and 269 transitions. [2023-11-19 04:02:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2023-11-19 04:02:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:02:36,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:36,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,253 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 04:02:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 257 transitions. [2023-11-19 04:02:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-19 04:02:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:02:36,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:36,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,563 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 04:02:39,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:02:49,592 WARN L539 Checker$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 04:02:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2023-11-19 04:02:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-19 04:02:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:02:49,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:50,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:02:50,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:50,330 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 04:02:53,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:02:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 225 states and 306 transitions. [2023-11-19 04:02:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 306 transitions. [2023-11-19 04:02:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:02:53,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:53,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:54,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:54,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:54,143 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 04:02:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 225 states and 304 transitions. [2023-11-19 04:02:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2023-11-19 04:02:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:02:54,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:54,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:54,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:54,652 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 04:02:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 225 states and 302 transitions. [2023-11-19 04:02:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 302 transitions. [2023-11-19 04:02:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:02:54,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:55,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:55,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:55,072 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 04:02:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 225 states and 300 transitions. [2023-11-19 04:02:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2023-11-19 04:02:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:02:55,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:55,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:55,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:55,508 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 04:03:05,524 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 04:03:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 225 states and 298 transitions. [2023-11-19 04:03:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2023-11-19 04:03:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:03:05,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:05,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:05,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:05,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:05,911 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 04:03:15,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:03:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 223 states and 292 transitions. [2023-11-19 04:03:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 292 transitions. [2023-11-19 04:03:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:03:15,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:16,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:03:16,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:26,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []