./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/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_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/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-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 ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:17,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:17,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:03:17,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:17,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:17,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:17,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:17,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:17,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:17,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:17,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:17,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:17,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:17,386 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:03:17,386 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:03:17,387 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:03:17,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:17,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:17,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:17,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:17,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:17,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:17,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:17,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:17,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:17,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:17,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:17,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:17,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:17,394 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_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2023-11-19 04:03:17,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:17,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:17,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:17,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:17,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:17,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2023-11-19 04:03:20,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:21,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:21,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/sv-benchmarks/c/heap-manipulation/tree-2.i [2023-11-19 04:03:21,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/data/feb2052b6/1abd73a0dd83490e9acedbacbb6675ee/FLAG07aded4a2 [2023-11-19 04:03:21,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/data/feb2052b6/1abd73a0dd83490e9acedbacbb6675ee [2023-11-19 04:03:21,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:21,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:21,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:21,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:21,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:21,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d221430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21, skipping insertion in model container [2023-11-19 04:03:21,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:21,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:21,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:21,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:21,771 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:21,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21 WrapperNode [2023-11-19 04:03:21,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:21,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:21,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:21,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:21,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,856 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 173 [2023-11-19 04:03:21,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:21,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:21,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:21,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:21,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:21,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:21,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:21,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:21,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:21" (1/1) ... [2023-11-19 04:03:21,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:21,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:21,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:22,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5326f2ed-48a5-4aa3-ab97-7f0dd69b7ede/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:22,145 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:22,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:22,691 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:22,779 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:22,780 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 04:03:22,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:22 BoogieIcfgContainer [2023-11-19 04:03:22,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:22,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:22,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:22,799 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:22,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:22" (1/1) ... [2023-11-19 04:03:22,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 132 states and 155 transitions. [2023-11-19 04:03:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2023-11-19 04:03:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:22,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:22,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,200 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 04:03:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2023-11-19 04:03:23,263 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2023-11-19 04:03:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:23,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,465 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 04:03:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2023-11-19 04:03:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2023-11-19 04:03:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:03:23,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,667 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 04:03:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 133 states and 157 transitions. [2023-11-19 04:03:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2023-11-19 04:03:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:03:23,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,779 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 04:03:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 132 states and 156 transitions. [2023-11-19 04:03:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2023-11-19 04:03:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:03:23,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:23,951 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 04:03:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 131 states and 155 transitions. [2023-11-19 04:03:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2023-11-19 04:03:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:03:24,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,141 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 04:03:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 136 states and 164 transitions. [2023-11-19 04:03:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2023-11-19 04:03:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:24,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,378 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 04:03:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 139 states and 168 transitions. [2023-11-19 04:03:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2023-11-19 04:03:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:24,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,835 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 04:03:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2023-11-19 04:03:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2023-11-19 04:03:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:24,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:24,940 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 04:03:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 140 states and 165 transitions. [2023-11-19 04:03:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2023-11-19 04:03:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:25,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:25,140 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 04:03:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 142 states and 168 transitions. [2023-11-19 04:03:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2023-11-19 04:03:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:25,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:25,389 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 04:03:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 144 states and 173 transitions. [2023-11-19 04:03:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2023-11-19 04:03:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:25,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:25,771 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 04:03:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 146 states and 177 transitions. [2023-11-19 04:03:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2023-11-19 04:03:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:25,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:26,087 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 04:03:26,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 150 states and 185 transitions. [2023-11-19 04:03:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2023-11-19 04:03:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:26,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:26,396 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 04:03:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2023-11-19 04:03:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2023-11-19 04:03:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:26,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:26,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 151 states and 186 transitions. [2023-11-19 04:03:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2023-11-19 04:03:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:26,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:26,967 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 04:03:27,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2023-11-19 04:03:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2023-11-19 04:03:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:27,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:27,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 192 transitions. [2023-11-19 04:03:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2023-11-19 04:03:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:28,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:28,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 156 states and 196 transitions. [2023-11-19 04:03:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2023-11-19 04:03:29,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:29,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 160 states and 202 transitions. [2023-11-19 04:03:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 202 transitions. [2023-11-19 04:03:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:31,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:31,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 164 states and 211 transitions. [2023-11-19 04:03:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2023-11-19 04:03:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:03:33,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:33,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 213 transitions. [2023-11-19 04:03:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2023-11-19 04:03:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:03:33,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:33,555 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 04:03:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 167 states and 216 transitions. [2023-11-19 04:03:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2023-11-19 04:03:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:33,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,459 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 04:03:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 172 states and 224 transitions. [2023-11-19 04:03:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 224 transitions. [2023-11-19 04:03:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:36,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,814 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 04:03:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 174 states and 229 transitions. [2023-11-19 04:03:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions. [2023-11-19 04:03:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:38,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:03:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 174 states and 228 transitions. [2023-11-19 04:03:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2023-11-19 04:03:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:38,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 174 states and 227 transitions. [2023-11-19 04:03:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 227 transitions. [2023-11-19 04:03:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:39,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:39,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 175 states and 229 transitions. [2023-11-19 04:03:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2023-11-19 04:03:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:40,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:40,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:40,400 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 04:03:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 177 states and 232 transitions. [2023-11-19 04:03:40,846 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2023-11-19 04:03:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:03:40,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:40,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:41,471 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 04:03:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2023-11-19 04:03:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2023-11-19 04:03:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:03:43,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:43,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:43,879 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 04:03:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 183 states and 246 transitions. [2023-11-19 04:03:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 246 transitions. [2023-11-19 04:03:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:03:45,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 184 states and 248 transitions. [2023-11-19 04:03:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2023-11-19 04:03:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:03:46,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,091 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 04:03:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 186 states and 251 transitions. [2023-11-19 04:03:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 251 transitions. [2023-11-19 04:03:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:03:46,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,362 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 04:03:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 190 states and 260 transitions. [2023-11-19 04:03:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2023-11-19 04:03:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:03:49,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:50,137 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 04:03:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 192 states and 265 transitions. [2023-11-19 04:03:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 265 transitions. [2023-11-19 04:03:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:03:51,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 193 states and 267 transitions. [2023-11-19 04:03:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 267 transitions. [2023-11-19 04:03:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:03:52,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:52,676 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 04:03:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 202 states and 286 transitions. [2023-11-19 04:03:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 286 transitions. [2023-11-19 04:03:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:03:56,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:03:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 180 states and 249 transitions. [2023-11-19 04:03:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 249 transitions. [2023-11-19 04:03:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:03:58,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:58,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 195 states and 276 transitions. [2023-11-19 04:04:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 276 transitions. [2023-11-19 04:04:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:04:11,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.