./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC --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 64bit --witnessprinter.graph.data.programhash fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:19,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:19,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-23 20:29:19,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:19,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:19,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:19,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:19,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:19,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:19,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:19,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:19,675 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:29:19,676 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:29:19,676 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:29:19,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:19,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:19,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:19,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:19,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:19,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:19,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:19,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:19,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:19,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:19,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:19,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:19,684 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_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed [2023-11-23 20:29:19,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:19,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:19,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:19,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:19,976 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:19,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-23 20:29:23,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:23,850 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:23,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-23 20:29:23,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/data/befdd6597/c411530ae5224507b8fe911f37a00083/FLAG8e2ce7e93 [2023-11-23 20:29:23,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/data/befdd6597/c411530ae5224507b8fe911f37a00083 [2023-11-23 20:29:23,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:23,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:23,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:23,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:23,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:23,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:23" (1/1) ... [2023-11-23 20:29:23,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406e17c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:23, skipping insertion in model container [2023-11-23 20:29:23,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:23" (1/1) ... [2023-11-23 20:29:24,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:26,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:26,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:26,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:26,958 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,958 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,958 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,959 WARN L675 CHandler]: The function decode_fn_ptr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,959 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,959 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,959 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:26,960 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,002 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:27,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27 WrapperNode [2023-11-23 20:29:27,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:27,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:27,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:27,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:27,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,449 INFO L138 Inliner]: procedures = 620, calls = 857, calls flagged for inlining = 82, calls inlined = 297, statements flattened = 8551 [2023-11-23 20:29:27,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:27,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:27,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:27,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:27,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:28,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:28,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:28,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:28,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:28,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:28,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:28,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:28,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a92722-97b9-4179-87c9-f2955680eb7a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 20:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-23 20:29:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:29:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:29:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:29:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:29:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:29:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:29:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:29:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-23 20:29:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:29:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:29:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:29:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:29:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-23 20:29:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:28,937 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:28,940 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:42,147 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:46,076 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:46,077 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-11-23 20:29:46,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:46 BoogieIcfgContainer [2023-11-23 20:29:46,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:46,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:46,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:46,098 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:46,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:46" (1/1) ... [2023-11-23 20:29:46,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 4696 states and 5389 transitions. [2023-11-23 20:29:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5389 transitions. [2023-11-23 20:29:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:29:46,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4695 states and 5388 transitions. [2023-11-23 20:29:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5388 transitions. [2023-11-23 20:29:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:29:47,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 4694 states and 5387 transitions. [2023-11-23 20:29:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5387 transitions. [2023-11-23 20:29:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:48,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 4693 states and 5386 transitions. [2023-11-23 20:29:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 5386 transitions. [2023-11-23 20:29:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:48,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4694 states and 5388 transitions. [2023-11-23 20:29:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5388 transitions. [2023-11-23 20:29:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:49,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 4696 states and 5390 transitions. [2023-11-23 20:29:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5390 transitions. [2023-11-23 20:29:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:29:50,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 4697 states and 5392 transitions. [2023-11-23 20:29:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5392 transitions. [2023-11-23 20:29:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:29:50,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:50,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4699 states and 5395 transitions. [2023-11-23 20:29:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5395 transitions. [2023-11-23 20:29:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:29:51,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4701 states and 5399 transitions. [2023-11-23 20:29:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5399 transitions. [2023-11-23 20:29:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:29:52,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:52,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4702 states and 5399 transitions. [2023-11-23 20:29:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5399 transitions. [2023-11-23 20:29:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:29:53,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 4697 states and 5390 transitions. [2023-11-23 20:29:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5390 transitions. [2023-11-23 20:29:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:29:54,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 4699 states and 5392 transitions. [2023-11-23 20:29:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5392 transitions. [2023-11-23 20:29:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:29:54,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 4701 states and 5394 transitions. [2023-11-23 20:29:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5394 transitions. [2023-11-23 20:29:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:29:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:55,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:29:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 4700 states and 5393 transitions. [2023-11-23 20:29:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4700 states and 5393 transitions. [2023-11-23 20:29:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:29:59,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4702 states and 5395 transitions. [2023-11-23 20:30:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5395 transitions. [2023-11-23 20:30:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:30:01,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 4704 states and 5397 transitions. [2023-11-23 20:30:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4704 states and 5397 transitions. [2023-11-23 20:30:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:30:02,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4706 states and 5399 transitions. [2023-11-23 20:30:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 5399 transitions. [2023-11-23 20:30:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:03,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat