./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/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_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/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_ea3b0873-0464-4e3e-8a71-91e96cf68844/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:21,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:21,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:09:21,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:21,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:21,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:21,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:21,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:21,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:21,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:21,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:21,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:21,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:21,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:21,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:21,655 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:21,656 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:21,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:21,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:21,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:21,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:21,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:21,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:21,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:21,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:21,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:21,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:21,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:21,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:21,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:21,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:21,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:21,666 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_ea3b0873-0464-4e3e-8a71-91e96cf68844/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2023-11-19 03:09:21,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:21,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:21,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:21,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:21,967 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:21,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-19 03:09:25,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:25,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:25,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-19 03:09:25,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/data/e4a0c6ae4/e05243f472744a4c9726d597565b2eb5/FLAGcd6ea71a7 [2023-11-19 03:09:25,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/data/e4a0c6ae4/e05243f472744a4c9726d597565b2eb5 [2023-11-19 03:09:25,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:25,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:25,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:25,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:25,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:25,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77754794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25, skipping insertion in model container [2023-11-19 03:09:25,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:26,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:26,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:26,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:26,583 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:26,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26 WrapperNode [2023-11-19 03:09:26,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:26,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:26,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:26,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:26,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,818 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1895 [2023-11-19 03:09:26,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:26,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:26,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:26,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:26,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:26,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:26,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:26,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:26,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:26" (1/1) ... [2023-11-19 03:09:26,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:27,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:27,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3b0873-0464-4e3e-8a71-91e96cf68844/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:09:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:09:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:27,346 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:27,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:29,570 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:31,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:31,763 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 03:09:31,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:31 BoogieIcfgContainer [2023-11-19 03:09:31,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:31,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:31,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:31,784 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:31,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:31" (1/1) ... [2023-11-19 03:09:31,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 200 states and 328 transitions. [2023-11-19 03:09:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 328 transitions. [2023-11-19 03:09:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:09:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,210 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 03:09:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2023-11-19 03:09:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2023-11-19 03:09:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:09:32,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:32,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 201 states and 326 transitions. [2023-11-19 03:09:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 326 transitions. [2023-11-19 03:09:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:09:32,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:32,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 201 states and 318 transitions. [2023-11-19 03:09:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2023-11-19 03:09:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:09:32,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:32,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:32,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 201 states and 306 transitions. [2023-11-19 03:09:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 306 transitions. [2023-11-19 03:09:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:09:32,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:33,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:33,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:34,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:37,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 201 states and 292 transitions. [2023-11-19 03:09:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 292 transitions. [2023-11-19 03:09:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:09:37,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:37,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 253 states and 354 transitions. [2023-11-19 03:09:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2023-11-19 03:09:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:09:39,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:39,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:40,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:40,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 253 states and 352 transitions. [2023-11-19 03:09:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2023-11-19 03:09:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:09:40,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:40,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:40,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:40,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2023-11-19 03:09:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2023-11-19 03:09:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:09:40,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:40,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:40,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:40,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 253 states and 348 transitions. [2023-11-19 03:09:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 348 transitions. [2023-11-19 03:09:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:09:40,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:40,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:41,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:41,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:41,415 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 03:09:51,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 253 states and 346 transitions. [2023-11-19 03:09:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2023-11-19 03:09:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:09:51,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:51,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:51,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:01,935 WARN L539 Checker$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 03:10:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 253 states and 344 transitions. [2023-11-19 03:10:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 344 transitions. [2023-11-19 03:10:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:10:01,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:01,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:02,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:10:12,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:10:22,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []