./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi --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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:10,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:10,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:10,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:10,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:10,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:10,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:10,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:10,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:10,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:10,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:10,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:10,386 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:10,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:10,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:10,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:10,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:10,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:10,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:10,391 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:10,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:10,392 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:10,393 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:10,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:10,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:10,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:10,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:10,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:10,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:10,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:10,398 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:10,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:10,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:10,399 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_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2023-11-24 23:05:10,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:10,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:10,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:10,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:10,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:10,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-24 23:05:13,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:14,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:14,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-24 23:05:14,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/data/b8d691cde/c52cfaccaa2a47d794ff08f73c560db2/FLAG4dbd10809 [2023-11-24 23:05:14,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/data/b8d691cde/c52cfaccaa2a47d794ff08f73c560db2 [2023-11-24 23:05:14,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:14,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:14,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:14,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:14,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:14,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c605987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14, skipping insertion in model container [2023-11-24 23:05:14,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:14,443 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_c7039b35-86fb-442f-b7c7-9b88d7d5df47/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-11-24 23:05:14,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:14,500 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:14,517 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_c7039b35-86fb-442f-b7c7-9b88d7d5df47/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-11-24 23:05:14,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:14,564 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:14,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14 WrapperNode [2023-11-24 23:05:14,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:14,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:14,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:14,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:14,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,632 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-24 23:05:14,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:14,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:14,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:14,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:14,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:14,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:14,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:14,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:14,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:14,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:14,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:14,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7039b35-86fb-442f-b7c7-9b88d7d5df47/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:05:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:05:14,848 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:14,851 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:15,059 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:15,107 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:15,108 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:15,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:15 BoogieIcfgContainer [2023-11-24 23:05:15,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:15,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:15,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:15,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:15,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:15" (1/1) ... [2023-11-24 23:05:15,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-24 23:05:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-24 23:05:15,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:15,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-24 23:05:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-24 23:05:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:15,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:15,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:05:15,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-24 23:05:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-24 23:05:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:16,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:16,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:05:16,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:05:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-11-24 23:05:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-11-24 23:05:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:05:17,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:17,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:17,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:05:17,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 62 transitions. [2023-11-24 23:05:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-24 23:05:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:05:17,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:17,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:17,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:05:17,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:05:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 64 transitions. [2023-11-24 23:05:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2023-11-24 23:05:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:05:17,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:17,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:17,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:05:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 80 transitions. [2023-11-24 23:05:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-24 23:05:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:05:18,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:18,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:05:18,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:05:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 81 transitions. [2023-11-24 23:05:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-11-24 23:05:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:05:19,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:19,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:05:19,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:05:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-11-24 23:05:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-24 23:05:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:05:20,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:05:20,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:05:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-11-24 23:05:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-24 23:05:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:05:20,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:20,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:05:20,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:05:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-11-24 23:05:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-24 23:05:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:05:21,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:21,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:21,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:05:21,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:05:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-24 23:05:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-24 23:05:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:05:22,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:22,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:22,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:22,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-24 23:05:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 102 transitions. [2023-11-24 23:05:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-11-24 23:05:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:05:22,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:22,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:22,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:05:22,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:05:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 119 transitions. [2023-11-24 23:05:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2023-11-24 23:05:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:05:24,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:24,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:05:24,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:05:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 66 states and 125 transitions. [2023-11-24 23:05:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2023-11-24 23:05:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:05:25,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:25,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:05:25,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:05:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 128 transitions. [2023-11-24 23:05:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2023-11-24 23:05:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 23:05:26,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:26,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:26,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:05:26,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:05:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 136 transitions. [2023-11-24 23:05:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2023-11-24 23:05:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:05:27,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:27,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:27,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:05:27,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:05:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-24 23:05:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-24 23:05:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:05:28,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:05:28,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:05:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-24 23:05:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-24 23:05:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:05:29,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:29,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:29,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-24 23:05:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 146 transitions. [2023-11-24 23:05:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2023-11-24 23:05:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:05:30,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:30,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:30,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:05:30,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:05:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 77 states and 150 transitions. [2023-11-24 23:05:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-11-24 23:05:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:05:31,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:31,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:31,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-24 23:05:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 153 transitions. [2023-11-24 23:05:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2023-11-24 23:05:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:05:33,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:33,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:33,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2023-11-24 23:05:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 79 states and 151 transitions. [2023-11-24 23:05:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-24 23:05:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:05:33,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:33,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:05:33,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 31 proven. 67 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:05:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 157 transitions. [2023-11-24 23:05:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2023-11-24 23:05:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 23:05:36,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:36,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:05:36,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:05:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 163 transitions. [2023-11-24 23:05:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2023-11-24 23:05:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 23:05:38,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:38,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:38,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:05:38,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:05:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 86 states and 166 transitions. [2023-11-24 23:05:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2023-11-24 23:05:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:05:39,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:39,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:39,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:05:39,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:05:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 90 states and 173 transitions. [2023-11-24 23:05:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2023-11-24 23:05:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:05:41,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:41,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:05:41,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 35 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 23:05:43,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 92 states and 177 transitions. [2023-11-24 23:05:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-24 23:05:43,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 23:05:43,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:43,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:05:43,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 23:05:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 93 states and 179 transitions. [2023-11-24 23:05:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2023-11-24 23:05:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 23:05:44,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:05:44,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-24 23:05:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 94 states and 183 transitions. [2023-11-24 23:05:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2023-11-24 23:05:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:05:45,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:45,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:45,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:45,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-24 23:05:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 94 states and 181 transitions. [2023-11-24 23:05:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-11-24 23:05:45,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:05:45,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:45,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:45,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:05:45,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:05:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 97 states and 187 transitions. [2023-11-24 23:05:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2023-11-24 23:05:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:05:48,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:48,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:05:48,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 41 proven. 115 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:05:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 100 states and 193 transitions. [2023-11-24 23:05:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2023-11-24 23:05:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:05:51,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:51,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:05:51,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 43 proven. 106 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 23:05:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 101 states and 196 transitions. [2023-11-24 23:05:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2023-11-24 23:05:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 23:05:54,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:54,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:54,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:05:54,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 43 proven. 122 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 23:05:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 105 states and 203 transitions. [2023-11-24 23:05:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 203 transitions. [2023-11-24 23:05:56,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 23:05:56,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:05:56,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 23:05:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 107 states and 207 transitions. [2023-11-24 23:05:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2023-11-24 23:05:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:05:59,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:59,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 23:05:59,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 45 proven. 129 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 23:06:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 108 states and 210 transitions. [2023-11-24 23:06:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2023-11-24 23:06:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-24 23:06:01,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:06:01,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 47 proven. 136 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:06:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 110 states and 216 transitions. [2023-11-24 23:06:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 216 transitions. [2023-11-24 23:06:02,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 23:06:02,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:06:02,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2023-11-24 23:06:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 110 states and 214 transitions. [2023-11-24 23:06:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2023-11-24 23:06:03,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-24 23:06:03,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:06:03,498 INFO L285 TraceCheckSpWp]: Computing forward predicates...