./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:22,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:22,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:48:22,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:22,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:22,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:22,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:22,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:22,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:22,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:22,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:22,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:22,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:22,623 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:48:22,624 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:48:22,624 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:48:22,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:22,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:22,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:22,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:22,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:22,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:22,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:22,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:22,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:22,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:22,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:22,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:22,629 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_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 [2023-11-11 23:48:22,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:22,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:22,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:22,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:22,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:22,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-11 23:48:26,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:26,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:26,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-11 23:48:26,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/data/c79f95133/b0210abc0935420eab1b46963a8396db/FLAG9e9ab700f [2023-11-11 23:48:26,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/data/c79f95133/b0210abc0935420eab1b46963a8396db [2023-11-11 23:48:26,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:26,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:26,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:26,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:26,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:26,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b026d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26, skipping insertion in model container [2023-11-11 23:48:26,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:26,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:26,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:26,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:26,651 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:26,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26 WrapperNode [2023-11-11 23:48:26,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:26,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:26,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:26,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:26,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,710 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 102 [2023-11-11 23:48:26,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:26,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:26,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:26,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:26,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:26,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:26,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:26,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:26,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:26" (1/1) ... [2023-11-11 23:48:26,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:26,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:26,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:26,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987d3dd-1585-4e86-a874-b596e2a01285/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-11-11 23:48:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-11-11 23:48:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:26,996 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:26,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:27,309 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:27,420 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:27,420 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:27,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:27 BoogieIcfgContainer [2023-11-11 23:48:27,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:27,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:27,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:27,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:27,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:27" (1/1) ... [2023-11-11 23:48:27,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-11-11 23:48:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-11 23:48:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:27,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:27,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2023-11-11 23:48:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-11 23:48:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:48:28,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:28,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 64 transitions. [2023-11-11 23:48:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-11 23:48:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:48:28,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:28,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 72 transitions. [2023-11-11 23:48:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2023-11-11 23:48:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:30,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:30,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 71 transitions. [2023-11-11 23:48:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2023-11-11 23:48:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:30,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:30,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 77 transitions. [2023-11-11 23:48:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-11 23:48:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:32,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 76 transitions. [2023-11-11 23:48:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-11 23:48:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:32,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 81 transitions. [2023-11-11 23:48:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-11 23:48:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:34,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 80 transitions. [2023-11-11 23:48:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-11 23:48:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:34,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 91 transitions. [2023-11-11 23:48:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2023-11-11 23:48:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:37,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:37,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 91 transitions. [2023-11-11 23:48:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2023-11-11 23:48:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:48:40,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:40,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 72 states and 94 transitions. [2023-11-11 23:48:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-11 23:48:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:48:41,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 81 states and 112 transitions. [2023-11-11 23:48:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-11 23:48:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:48:46,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 116 transitions. [2023-11-11 23:48:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-11-11 23:48:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:50,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 85 states and 115 transitions. [2023-11-11 23:48:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2023-11-11 23:48:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:51,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:51,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 91 states and 129 transitions. [2023-11-11 23:48:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-11 23:48:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:56,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:56,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 90 states and 128 transitions. [2023-11-11 23:48:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2023-11-11 23:48:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:57,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 133 transitions. [2023-11-11 23:48:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-11-11 23:48:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:58,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 101 states and 155 transitions. [2023-11-11 23:49:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2023-11-11 23:49:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:06,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:06,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 104 states and 158 transitions. [2023-11-11 23:49:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2023-11-11 23:49:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:08,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 110 states and 164 transitions. [2023-11-11 23:49:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 164 transitions. [2023-11-11 23:49:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:16,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:16,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 109 states and 163 transitions. [2023-11-11 23:49:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-11-11 23:49:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:16,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.