./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/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_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/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_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/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 b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:02,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:02,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:17:02,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:17:02,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:17:02,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:02,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:02,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:02,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:02,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:17:02,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:02,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:02,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:02,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:02,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:17:02,794 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:17:02,795 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:17:02,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:02,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:17:02,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:17:02,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:02,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:17:02,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:02,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:02,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:02,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:02,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:02,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:02,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:02,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:02,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:17:02,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:17:02,803 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_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 [2023-11-19 03:17:03,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:03,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:03,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:03,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:03,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:03,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-19 03:17:06,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:06,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:06,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-19 03:17:06,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/data/c3de8026a/e28d2124de6a4fd38e6bba41c92d0e97/FLAG72516029b [2023-11-19 03:17:06,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/data/c3de8026a/e28d2124de6a4fd38e6bba41c92d0e97 [2023-11-19 03:17:06,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:06,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:06,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:06,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:06,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:06,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:06" (1/1) ... [2023-11-19 03:17:06,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f07859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:06, skipping insertion in model container [2023-11-19 03:17:06,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:06" (1/1) ... [2023-11-19 03:17:06,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:07,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:07,602 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:07,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:07,827 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:07,834 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:07,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07 WrapperNode [2023-11-19 03:17:07,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:07,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:07,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:07,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:07,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:07,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:07,987 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1420 [2023-11-19 03:17:07,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:07,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:07,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:07,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:07,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:08,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:08,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:08,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:08,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:07" (1/1) ... [2023-11-19 03:17:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:08,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:08,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:08,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5e6160-0a2f-467b-8fe1-ce52deaeb026/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:17:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:17:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:17:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:17:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:17:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:17:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:17:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:17:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:08,536 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:08,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:10,438 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:12,034 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:12,035 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:17:12,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:12 BoogieIcfgContainer [2023-11-19 03:17:12,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:12,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:12,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:12,053 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:12,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:12" (1/1) ... [2023-11-19 03:17:12,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-19 03:17:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-19 03:17:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:17:12,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,301 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 03:17:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-11-19 03:17:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-11-19 03:17:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:17:12,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,614 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 03:17:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2023-11-19 03:17:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-19 03:17:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:17:12,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:12,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:12,854 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 03:17:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-19 03:17:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-19 03:17:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:17:12,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,004 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 03:17:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2023-11-19 03:17:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2023-11-19 03:17:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:17:13,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,158 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 03:17:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-11-19 03:17:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-11-19 03:17:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:17:13,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,354 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 03:17:23,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-11-19 03:17:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-11-19 03:17:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:17:23,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:23,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:23,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:34,101 WARN L539 Checker$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 03:17:44,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:54,128 WARN L539 Checker$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 03:18:04,141 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 03:18:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 163 states and 243 transitions. [2023-11-19 03:18:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 243 transitions. [2023-11-19 03:18:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:18:04,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:04,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:04,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:04,492 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 03:18:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2023-11-19 03:18:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2023-11-19 03:18:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:18:04,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:04,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:04,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:04,752 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 03:18:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 239 transitions. [2023-11-19 03:18:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 239 transitions. [2023-11-19 03:18:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:18:04,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:05,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:05,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.