./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/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_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/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_51509e22-8b3a-41a2-b017-ffdf44be2e1f/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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:26,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:26,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:50:26,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:26,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:26,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:26,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:26,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:26,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:26,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:26,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:26,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:26,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:26,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:26,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:26,636 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:50:26,637 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:50:26,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:26,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:26,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:26,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:26,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:26,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:26,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:26,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:26,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:26,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:26,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:26,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:26,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:26,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:26,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:26,646 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_51509e22-8b3a-41a2-b017-ffdf44be2e1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2023-11-19 02:50:26,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:26,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:26,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:26,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:26,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:26,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2023-11-19 02:50:30,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:30,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:30,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2023-11-19 02:50:30,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/data/a1fba1130/d3e4c84cbfc740dd91af3696e6d3677c/FLAG04fbd98dc [2023-11-19 02:50:30,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/data/a1fba1130/d3e4c84cbfc740dd91af3696e6d3677c [2023-11-19 02:50:30,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:30,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:30,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:30,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:30,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:30,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:30" (1/1) ... [2023-11-19 02:50:30,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d047fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:30, skipping insertion in model container [2023-11-19 02:50:30,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:30" (1/1) ... [2023-11-19 02:50:30,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:31,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:31,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:32,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:32,098 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:32,107 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:32,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32 WrapperNode [2023-11-19 02:50:32,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:32,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:32,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:32,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:32,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,406 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6205 [2023-11-19 02:50:32,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:32,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:32,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:32,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:32,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:32,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:32,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:32,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:32,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:32" (1/1) ... [2023-11-19 02:50:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:32,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:32,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:32,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51509e22-8b3a-41a2-b017-ffdf44be2e1f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:50:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:50:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:50:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:33,180 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:33,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:37,802 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:40,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:40,671 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 02:50:40,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:40 BoogieIcfgContainer [2023-11-19 02:50:40,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:40,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:40,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:40,703 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:40,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:40" (1/1) ... [2023-11-19 02:50:40,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 3598 states and 5169 transitions. [2023-11-19 02:50:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5169 transitions. [2023-11-19 02:50:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:40,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3598 states and 5167 transitions. [2023-11-19 02:50:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5167 transitions. [2023-11-19 02:50:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:41,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,301 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 02:50:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 3600 states and 5170 transitions. [2023-11-19 02:50:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5170 transitions. [2023-11-19 02:50:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:50:41,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:41,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:41,500 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 02:50:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3600 states and 5168 transitions. [2023-11-19 02:50:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5168 transitions. [2023-11-19 02:50:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:41,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:41,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:41,642 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 02:50:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3600 states and 5164 transitions. [2023-11-19 02:50:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5164 transitions. [2023-11-19 02:50:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:41,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:41,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:41,824 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 02:50:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 3600 states and 5158 transitions. [2023-11-19 02:50:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5158 transitions. [2023-11-19 02:50:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:50:41,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:42,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:42,084 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 02:50:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 3600 states and 5152 transitions. [2023-11-19 02:50:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5152 transitions. [2023-11-19 02:50:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:50:42,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:43,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:50:43,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:43,255 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 02:50:53,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:50:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3613 states and 5167 transitions. [2023-11-19 02:50:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5167 transitions. [2023-11-19 02:50:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:50:54,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,387 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 02:50:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 3613 states and 5165 transitions. [2023-11-19 02:50:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5165 transitions. [2023-11-19 02:50:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:50:54,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,604 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 02:50:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3613 states and 5163 transitions. [2023-11-19 02:50:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5163 transitions. [2023-11-19 02:50:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:50:54,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:04,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3613 states and 5161 transitions. [2023-11-19 02:51:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5161 transitions. [2023-11-19 02:51:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:51:04,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3616 states and 5163 transitions. [2023-11-19 02:51:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5163 transitions. [2023-11-19 02:51:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:51:06,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:06,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:51:06,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:51:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 3618 states and 5166 transitions. [2023-11-19 02:51:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5166 transitions. [2023-11-19 02:51:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:06,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:06,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:06,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3617 states and 5161 transitions. [2023-11-19 02:51:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5161 transitions. [2023-11-19 02:51:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:51:06,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:06,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5157 states to 3617 states and 5157 transitions. [2023-11-19 02:51:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5157 transitions. [2023-11-19 02:51:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:51:07,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 3617 states and 5155 transitions. [2023-11-19 02:51:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5155 transitions. [2023-11-19 02:51:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:07,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:07,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:07,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:17,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 3617 states and 5153 transitions. [2023-11-19 02:51:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5153 transitions. [2023-11-19 02:51:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:51:17,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:20,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []