./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:12,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:12,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:10:12,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:12,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:12,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:12,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:12,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:12,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:12,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:12,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:12,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:12,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:12,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:12,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:12,802 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:10:12,802 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:10:12,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:12,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:12,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:12,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:12,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:12,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:12,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:12,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:12,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:12,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:12,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:12,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:12,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:12,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:12,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:12,811 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_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2023-11-24 23:10:13,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:13,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:13,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:13,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:13,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:13,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-11-24 23:10:16,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:16,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:16,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-11-24 23:10:16,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/data/6a5a82bf0/92bd4f0b97cc47b58214c8467074ef9f/FLAGbd72ced3e [2023-11-24 23:10:16,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/data/6a5a82bf0/92bd4f0b97cc47b58214c8467074ef9f [2023-11-24 23:10:16,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:16,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:16,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:16,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:16,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:16,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:16" (1/1) ... [2023-11-24 23:10:16,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76669d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:16, skipping insertion in model container [2023-11-24 23:10:16,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:16" (1/1) ... [2023-11-24 23:10:16,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:17,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:17,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:17,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:17,720 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:17,727 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:17,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17 WrapperNode [2023-11-24 23:10:17,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:17,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:17,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:17,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:17,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,885 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1255 [2023-11-24 23:10:17,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:17,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:17,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:17,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:17,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:18,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:18,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:18,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:18,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:18,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:18,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859fefe-fb7b-4e8e-9376-8c1727c37f7e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:10:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:10:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:18,352 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:18,354 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:21,904 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:23,657 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:23,658 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-24 23:10:23,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:23 BoogieIcfgContainer [2023-11-24 23:10:23,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:23,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:23,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:23,673 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:23,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:23" (1/1) ... [2023-11-24 23:10:23,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-11-24 23:10:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-11-24 23:10:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:10:23,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:23,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-24 23:10:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-24 23:10:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:10:24,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-11-24 23:10:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-24 23:10:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:24,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:24,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-24 23:10:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-24 23:10:24,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:24,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:24,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-11-24 23:10:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-11-24 23:10:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:24,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:24,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-11-24 23:10:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-11-24 23:10:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:24,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:24,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:24,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:35,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2023-11-24 23:10:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2023-11-24 23:10:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:35,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:35,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:35,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:35,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:45,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:55,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:05,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:15,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2023-11-24 23:11:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2023-11-24 23:11:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:11:15,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2023-11-24 23:11:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2023-11-24 23:11:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:11:16,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-11-24 23:11:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-11-24 23:11:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:16,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.