./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/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_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL --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 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:05,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:05,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:33:05,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:05,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:05,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:05,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:05,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:05,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:05,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:05,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:05,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:05,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:05,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:05,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:05,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:05,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:05,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:05,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:05,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:05,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:05,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:05,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:05,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:05,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:05,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:05,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:05,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:05,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:05,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:05,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:05,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:05,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:05,239 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_da5bd352-46b7-4b29-a6f3-d588a5234ac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f [2023-11-19 03:33:05,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:05,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:05,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:05,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:05,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:05,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-19 03:33:09,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:09,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:09,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-11-19 03:33:09,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/data/8ca27f852/14b731bc3f964051b0dde3635a61a1c3/FLAG6c9666c81 [2023-11-19 03:33:09,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/data/8ca27f852/14b731bc3f964051b0dde3635a61a1c3 [2023-11-19 03:33:09,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:09,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:09,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:09,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:09,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:09,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a3a290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09, skipping insertion in model container [2023-11-19 03:33:09,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,349 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:09,558 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_da5bd352-46b7-4b29-a6f3-d588a5234ac7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-19 03:33:09,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:09,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:09,603 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_da5bd352-46b7-4b29-a6f3-d588a5234ac7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-11-19 03:33:09,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:09,626 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:09,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09 WrapperNode [2023-11-19 03:33:09,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:09,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:09,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:09,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:09,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,667 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-19 03:33:09,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:09,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:09,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:09,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:09,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:09,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:09,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:09,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:09,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:09" (1/1) ... [2023-11-19 03:33:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:09,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:09,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:09,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5bd352-46b7-4b29-a6f3-d588a5234ac7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:33:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:33:09,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:09,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:10,165 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:10,245 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:10,253 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:33:10,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:10 BoogieIcfgContainer [2023-11-19 03:33:10,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:10,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:10,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:10,281 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:10,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:10" (1/1) ... [2023-11-19 03:33:10,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:33:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:33:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:33:10,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:10,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:10,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 03:33:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 03:33:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:33:10,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:33:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:33:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:33:11,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:33:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:33:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:33:11,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:33:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:33:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:11,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2023-11-19 03:33:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2023-11-19 03:33:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:33:12,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:33:12,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 03:33:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:33:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:33:13,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:13,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:33:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2023-11-19 03:33:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2023-11-19 03:33:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:13,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:33:13,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:33:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:15,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-19 03:33:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-19 03:33:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:33:15,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:15,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:33:15,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:33:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-19 03:33:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-19 03:33:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:33:15,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:15,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:15,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:33:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-19 03:33:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 03:33:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:33:16,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:16,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:33:16,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:33:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2023-11-19 03:33:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2023-11-19 03:33:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:17,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:17,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:33:17,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:33:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-19 03:33:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-19 03:33:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:18,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:18,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:33:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2023-11-19 03:33:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 03:33:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:33:18,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:33:18,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:33:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2023-11-19 03:33:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 03:33:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:33:20,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:20,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:33:20,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:33:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-19 03:33:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-19 03:33:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:33:21,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:21,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:21,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:21,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 03:33:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2023-11-19 03:33:22,164 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-19 03:33:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:33:22,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:22,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:33:22,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:33:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2023-11-19 03:33:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2023-11-19 03:33:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:33:24,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:24,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:24,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:33:24,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:33:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-19 03:33:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-19 03:33:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:33:25,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:25,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-19 03:33:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2023-11-19 03:33:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2023-11-19 03:33:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:33:26,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:26,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:33:26,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:33:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2023-11-19 03:33:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2023-11-19 03:33:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:33:28,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:28,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:28,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:33:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 27 proven. 94 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 03:33:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-11-19 03:33:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-11-19 03:33:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:33:30,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:30,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:30,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 03:33:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2023-11-19 03:33:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2023-11-19 03:33:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:33:31,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:31,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:33:31,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:33:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2023-11-19 03:33:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2023-11-19 03:33:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:33:33,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:33,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:34,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:33:34,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:33:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-11-19 03:33:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-11-19 03:33:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:33:35,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:35,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:35,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-19 03:33:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2023-11-19 03:33:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2023-11-19 03:33:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:33:35,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:35,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 03:33:35,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 03:33:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 112 states and 224 transitions. [2023-11-19 03:33:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 224 transitions. [2023-11-19 03:33:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:33:38,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:38,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:33:38,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:33:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-11-19 03:33:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-11-19 03:33:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:33:39,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:39,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:39,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:39,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-19 03:33:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2023-11-19 03:33:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2023-11-19 03:33:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:33:40,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:40,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:40,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:33:40,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:33:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 123 states and 247 transitions. [2023-11-19 03:33:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 247 transitions. [2023-11-19 03:33:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:33:43,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:43,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:33:43,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:33:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-11-19 03:33:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-11-19 03:33:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:33:45,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:45,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-19 03:33:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2023-11-19 03:33:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2023-11-19 03:33:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:33:45,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:33:45,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:33:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 161 states and 307 transitions. [2023-11-19 03:33:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 307 transitions. [2023-11-19 03:33:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:33:55,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:55,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:33:55,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.