./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:34,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:34,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:48:34,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:34,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:34,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:34,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:34,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:34,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:34,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:34,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:34,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:34,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:34,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:34,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:34,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:34,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:34,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:34,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:34,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:34,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:34,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:34,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:34,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:34,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:34,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:34,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:34,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:34,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:34,863 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:34,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:34,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:34,866 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_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2023-11-11 23:48:35,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:35,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:35,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:35,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:35,338 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:35,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-invgen/nested9.i [2023-11-11 23:48:38,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:38,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:38,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/sv-benchmarks/c/loop-invgen/nested9.i [2023-11-11 23:48:38,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/data/3d4ac9146/6bc110eeb65142dbb8e4f126cfaadd12/FLAGd5dc2d688 [2023-11-11 23:48:38,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/data/3d4ac9146/6bc110eeb65142dbb8e4f126cfaadd12 [2023-11-11 23:48:38,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:38,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:38,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:38,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:38,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:38,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:38" (1/1) ... [2023-11-11 23:48:38,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215cd5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:38, skipping insertion in model container [2023-11-11 23:48:38,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:38" (1/1) ... [2023-11-11 23:48:38,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:39,031 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2023-11-11 23:48:39,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:39,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:39,074 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2023-11-11 23:48:39,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:39,095 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:39,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39 WrapperNode [2023-11-11 23:48:39,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:39,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:39,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:39,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:39,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,130 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-11 23:48:39,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:39,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:39,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:39,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:39,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:39,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:39,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:39,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:39,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:39,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:39,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:39,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a042ff1-d014-416e-85fc-d4c41e5dc597/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:39,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:39,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:39,514 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:39,550 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:39,550 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:48:39,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:39 BoogieIcfgContainer [2023-11-11 23:48:39,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:39,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:39,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:39,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:39,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:39" (1/1) ... [2023-11-11 23:48:39,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-11 23:48:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-11 23:48:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:39,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-11 23:48:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-11 23:48:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:48:40,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:40,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2023-11-11 23:48:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2023-11-11 23:48:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:48:40,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:40,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2023-11-11 23:48:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2023-11-11 23:48:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:41,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:48:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2023-11-11 23:48:42,102 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2023-11-11 23:48:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:42,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2023-11-11 23:48:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2023-11-11 23:48:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:42,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:44,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2023-11-11 23:48:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2023-11-11 23:48:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:44,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:44,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 36 states and 87 transitions. [2023-11-11 23:48:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 87 transitions. [2023-11-11 23:48:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:45,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:45,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2023-11-11 23:48:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2023-11-11 23:48:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:48:45,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:45,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:48:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2023-11-11 23:48:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2023-11-11 23:48:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:46,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:46,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2023-11-11 23:48:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2023-11-11 23:48:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:48,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2023-11-11 23:48:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2023-11-11 23:48:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:51,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 130 transitions. [2023-11-11 23:48:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 130 transitions. [2023-11-11 23:48:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:48:51,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2023-11-11 23:48:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2023-11-11 23:48:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:48:51,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 57 states and 152 transitions. [2023-11-11 23:48:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 152 transitions. [2023-11-11 23:48:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:48:55,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:55,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2023-11-11 23:48:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2023-11-11 23:48:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:48:55,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:55,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2023-11-11 23:48:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2023-11-11 23:48:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:48:56,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:56,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:48:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:57,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2023-11-11 23:48:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2023-11-11 23:48:57,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:48:57,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:48:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2023-11-11 23:48:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2023-11-11 23:48:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:48:58,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:48:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 171 transitions. [2023-11-11 23:48:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 171 transitions. [2023-11-11 23:48:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:48:59,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:49:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2023-11-11 23:49:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2023-11-11 23:49:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:00,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:00,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:49:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2023-11-11 23:49:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2023-11-11 23:49:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:01,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2023-11-11 23:49:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2023-11-11 23:49:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:04,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:04,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 76 states and 200 transitions. [2023-11-11 23:49:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 200 transitions. [2023-11-11 23:49:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:05,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:05,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2023-11-11 23:49:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2023-11-11 23:49:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:05,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2023-11-11 23:49:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2023-11-11 23:49:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:06,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:06,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2023-11-11 23:49:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2023-11-11 23:49:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:06,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:06,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2023-11-11 23:49:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2023-11-11 23:49:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:07,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:07,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:49:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 89 states and 228 transitions. [2023-11-11 23:49:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 228 transitions. [2023-11-11 23:49:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:11,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:49:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 92 states and 235 transitions. [2023-11-11 23:49:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 235 transitions. [2023-11-11 23:49:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:13,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 95 states and 237 transitions. [2023-11-11 23:49:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 237 transitions. [2023-11-11 23:49:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:14,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 96 states and 238 transitions. [2023-11-11 23:49:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 238 transitions. [2023-11-11 23:49:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:14,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:49:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 97 states and 238 transitions. [2023-11-11 23:49:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 238 transitions. [2023-11-11 23:49:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:15,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:15,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:49:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 103 states and 247 transitions. [2023-11-11 23:49:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 247 transitions. [2023-11-11 23:49:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:19,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:19,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:49:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 106 states and 254 transitions. [2023-11-11 23:49:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 254 transitions. [2023-11-11 23:49:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:21,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:21,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:49:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 107 states and 254 transitions. [2023-11-11 23:49:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 254 transitions. [2023-11-11 23:49:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:21,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:21,819 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:49:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 108 states and 254 transitions. [2023-11-11 23:49:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 254 transitions. [2023-11-11 23:49:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:22,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:49:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 109 states and 256 transitions. [2023-11-11 23:49:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 256 transitions. [2023-11-11 23:49:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:23,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:49:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 110 states and 256 transitions. [2023-11-11 23:49:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 256 transitions. [2023-11-11 23:49:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:49:23,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2023-11-11 23:49:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2023-11-11 23:49:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:49:28,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-11 23:49:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 116 states and 264 transitions. [2023-11-11 23:49:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 264 transitions. [2023-11-11 23:49:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:49:28,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.