./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-2.c --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_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/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_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/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_5f4e1377-bc53-41c4-953f-bc054c3ed09e/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 f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:59,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:59,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:35:59,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:35:59,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:35:59,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:59,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:59,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:59,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:59,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:59,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:35:59,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:59,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:59,925 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:35:59,925 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:35:59,926 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:35:59,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:59,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:35:59,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:59,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:59,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:59,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:59,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:59,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:59,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:59,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:59,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:59,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:35:59,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:35:59,935 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_5f4e1377-bc53-41c4-953f-bc054c3ed09e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2023-11-19 02:36:00,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:00,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:00,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:00,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:00,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:00,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-acceleration/array_1-2.c [2023-11-19 02:36:03,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:03,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:03,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/sv-benchmarks/c/loop-acceleration/array_1-2.c [2023-11-19 02:36:03,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/data/2b084a93e/71f8773791eb41c488d8029a6fb761bb/FLAG4f4cad22b [2023-11-19 02:36:03,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/data/2b084a93e/71f8773791eb41c488d8029a6fb761bb [2023-11-19 02:36:03,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:03,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:03,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:03,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:03,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:03,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:03" (1/1) ... [2023-11-19 02:36:03,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f71ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:03, skipping insertion in model container [2023-11-19 02:36:03,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:03" (1/1) ... [2023-11-19 02:36:03,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:03,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:03,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:04,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:04,015 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:04,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04 WrapperNode [2023-11-19 02:36:04,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:04,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:04,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:04,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:04,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,061 INFO L138 Inliner]: procedures = 13, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-19 02:36:04,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:04,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:04,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:04,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:04,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:04,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:04,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:04,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:04,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:04,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:04,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4e1377-bc53-41c4-953f-bc054c3ed09e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:36:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:36:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:36:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:04,278 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:04,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:04,438 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:04,474 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:04,474 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:36:04,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:04 BoogieIcfgContainer [2023-11-19 02:36:04,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:04,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:04,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:04,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:04,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:04" (1/1) ... [2023-11-19 02:36:04,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-19 02:36:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-19 02:36:04,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:04,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:04,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:36:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:36:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:04,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:04,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-19 02:36:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 02:36:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:05,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-19 02:36:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-19 02:36:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:06,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:36:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:36:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:06,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:06,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-19 02:36:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-19 02:36:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:36:06,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:06,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:36:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:36:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:36:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:36:06,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-19 02:36:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-19 02:36:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:36:07,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-19 02:36:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-19 02:36:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:36:07,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-11-19 02:36:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-11-19 02:36:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:36:08,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:08,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-11-19 02:36:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-11-19 02:36:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:36:08,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-11-19 02:36:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-11-19 02:36:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:36:09,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-11-19 02:36:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-11-19 02:36:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:36:09,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-11-19 02:36:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-11-19 02:36:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:36:10,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:10,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2023-11-19 02:36:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2023-11-19 02:36:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:36:11,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:11,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2023-11-19 02:36:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2023-11-19 02:36:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:36:12,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2023-11-19 02:36:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2023-11-19 02:36:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:36:12,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2023-11-19 02:36:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2023-11-19 02:36:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:36:13,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:13,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2023-11-19 02:36:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2023-11-19 02:36:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:36:15,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2023-11-19 02:36:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2023-11-19 02:36:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:36:16,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2023-11-19 02:36:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2023-11-19 02:36:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:36:17,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:17,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2023-11-19 02:36:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2023-11-19 02:36:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:18,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:18,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2023-11-19 02:36:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2023-11-19 02:36:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:36:19,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:19,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2023-11-19 02:36:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2023-11-19 02:36:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:36:21,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2023-11-19 02:36:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2023-11-19 02:36:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:36:22,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:22,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2023-11-19 02:36:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2023-11-19 02:36:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:23,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:23,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2023-11-19 02:36:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2023-11-19 02:36:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:36:24,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:24,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2023-11-19 02:36:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2023-11-19 02:36:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:36:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2023-11-19 02:36:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2023-11-19 02:36:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:36:27,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:27,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2023-11-19 02:36:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2023-11-19 02:36:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:29,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2023-11-19 02:36:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2023-11-19 02:36:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:36:30,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2023-11-19 02:36:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2023-11-19 02:36:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:36:32,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2023-11-19 02:36:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2023-11-19 02:36:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:36:33,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:35,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2023-11-19 02:36:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2023-11-19 02:36:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:36:35,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2023-11-19 02:36:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2023-11-19 02:36:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:36:37,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:37,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2023-11-19 02:36:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2023-11-19 02:36:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:36:38,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 0 proven. 961 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2023-11-19 02:36:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2023-11-19 02:36:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:36:40,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2023-11-19 02:36:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2023-11-19 02:36:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:36:42,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2023-11-19 02:36:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2023-11-19 02:36:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:36:44,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:44,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 1156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2023-11-19 02:36:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2023-11-19 02:36:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:36:46,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:46,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms