./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/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_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:26,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:26,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:49:26,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:26,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:26,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:26,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:26,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:26,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:26,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:26,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:26,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:26,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:26,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:26,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:26,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:26,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:26,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:26,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:26,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:26,238 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:26,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:26,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:26,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:26,240 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:26,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:26,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:26,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:26,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:26,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:26,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:26,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:26,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:26,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:26,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:26,246 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_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2023-11-19 02:49:26,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:26,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:26,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:26,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:26,570 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:26,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-11-19 02:49:29,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:30,042 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:30,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-11-19 02:49:30,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/data/95b99344e/adfcb1edfdc34ac698f54ed11b0dd48b/FLAG7047bd7c8 [2023-11-19 02:49:30,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/data/95b99344e/adfcb1edfdc34ac698f54ed11b0dd48b [2023-11-19 02:49:30,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:30,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:30,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:30,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:30,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:30,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3390b7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30, skipping insertion in model container [2023-11-19 02:49:30,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:30,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:30,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:30,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:30,321 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:30,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30 WrapperNode [2023-11-19 02:49:30,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:30,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:30,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:30,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:30,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,362 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-19 02:49:30,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:30,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:30,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:30,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:30,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:30,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:30,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:30,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:30,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:30" (1/1) ... [2023-11-19 02:49:30,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:30,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:30,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:30,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd9d304-985b-4e8a-bb6a-3a82e9a97fd1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:49:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:49:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:30,564 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:30,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:31,140 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:31,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:31,175 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:49:31,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:31 BoogieIcfgContainer [2023-11-19 02:49:31,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:31,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:31,182 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:31,193 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:31,193 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:31" (1/1) ... [2023-11-19 02:49:31,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 02:49:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 02:49:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:49:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-19 02:49:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-19 02:49:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:49:31,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:31,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:49:31,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-19 02:49:31,733 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-19 02:49:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:49:31,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:31,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:31,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:49:31,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2023-11-19 02:49:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2023-11-19 02:49:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:49:31,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:31,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:31,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:31,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 142 states and 157 transitions. [2023-11-19 02:49:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 157 transitions. [2023-11-19 02:49:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:49:32,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:32,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:32,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 143 states and 158 transitions. [2023-11-19 02:49:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2023-11-19 02:49:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:49:32,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:32,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:49:32,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-19 02:49:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-19 02:49:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:49:32,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:32,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:49:32,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 147 states and 162 transitions. [2023-11-19 02:49:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2023-11-19 02:49:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:49:32,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:32,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:32,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:32,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 156 states and 175 transitions. [2023-11-19 02:49:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2023-11-19 02:49:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:49:32,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:32,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:32,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 157 states and 176 transitions. [2023-11-19 02:49:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 176 transitions. [2023-11-19 02:49:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:49:33,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:33,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:33,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:33,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 168 states and 192 transitions. [2023-11-19 02:49:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-19 02:49:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:49:33,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:33,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:33,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 180 states and 210 transitions. [2023-11-19 02:49:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-19 02:49:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:49:34,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:34,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:34,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:34,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 215 transitions. [2023-11-19 02:49:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2023-11-19 02:49:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:49:34,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:34,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:34,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:49:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 216 transitions. [2023-11-19 02:49:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 216 transitions. [2023-11-19 02:49:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:49:35,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:35,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:35,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:35,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 231 transitions. [2023-11-19 02:49:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 231 transitions. [2023-11-19 02:49:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:49:36,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:36,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:36,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:36,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 232 transitions. [2023-11-19 02:49:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2023-11-19 02:49:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:49:36,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:36,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:49:36,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 212 states and 258 transitions. [2023-11-19 02:49:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 258 transitions. [2023-11-19 02:49:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:49:38,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:38,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:49:38,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 231 states and 286 transitions. [2023-11-19 02:49:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-19 02:49:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:49:39,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:39,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:39,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:39,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-19 02:49:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-19 02:49:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:49:40,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:40,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:49:40,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 235 states and 292 transitions. [2023-11-19 02:49:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2023-11-19 02:49:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:49:41,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:41,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:49:41,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-19 02:49:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-19 02:49:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:49:41,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:41,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:41,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:49:41,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 233 states and 290 transitions. [2023-11-19 02:49:41,659 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 290 transitions. [2023-11-19 02:49:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:49:41,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:41,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:49:41,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 232 states and 289 transitions. [2023-11-19 02:49:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 289 transitions. [2023-11-19 02:49:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:49:41,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:41,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:41,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:49:41,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:41,783 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 231 states and 288 transitions. [2023-11-19 02:49:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2023-11-19 02:49:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:49:41,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:41,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:41,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:49:41,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 257 states and 327 transitions. [2023-11-19 02:49:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 327 transitions. [2023-11-19 02:49:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:49:45,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:45,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:49:45,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 283 states and 364 transitions. [2023-11-19 02:49:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 364 transitions. [2023-11-19 02:49:48,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:49:48,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:48,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:48,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:48,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 389 transitions. [2023-11-19 02:49:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2023-11-19 02:49:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:49:52,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:52,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:52,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:52,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:49:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 313 states and 414 transitions. [2023-11-19 02:49:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 414 transitions. [2023-11-19 02:49:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:49:56,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:56,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:56,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:49:56,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:49:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 326 states and 436 transitions. [2023-11-19 02:49:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 436 transitions. [2023-11-19 02:49:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:49:59,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:59,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:59,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:59,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:50:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 330 states and 442 transitions. [2023-11-19 02:50:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 442 transitions. [2023-11-19 02:50:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:50:01,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:01,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:01,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:50:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 334 states and 448 transitions. [2023-11-19 02:50:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 448 transitions. [2023-11-19 02:50:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:50:02,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:02,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:50:02,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:50:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 348 states and 471 transitions. [2023-11-19 02:50:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 471 transitions. [2023-11-19 02:50:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:50:07,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:07,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:07,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:07,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:50:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 363 states and 498 transitions. [2023-11-19 02:50:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 498 transitions. [2023-11-19 02:50:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:50:13,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:13,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:13,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:50:20,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 378 states and 525 transitions. [2023-11-19 02:50:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 525 transitions. [2023-11-19 02:50:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:50:20,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:20,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:20,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:50:20,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.