./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.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_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/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_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/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_92c394ff-ec85-4435-a8b5-887319ec390a/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 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:14,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:14,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:41:14,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:14,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:14,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:14,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:14,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:14,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:14,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:14,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:14,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:14,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:14,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:14,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:14,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:14,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:14,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:14,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:14,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:14,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:14,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:14,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:14,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:14,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:14,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:14,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:14,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:14,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:14,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:14,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:14,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:14,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:14,394 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_92c394ff-ec85-4435-a8b5-887319ec390a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec [2023-11-19 03:41:14,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:14,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:14,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:14,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:14,719 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:14,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2023-11-19 03:41:17,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:17,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:17,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2023-11-19 03:41:18,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/data/d4270fce9/ac433402e0514b2aa11e77c8420d57be/FLAG6721fa821 [2023-11-19 03:41:18,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/data/d4270fce9/ac433402e0514b2aa11e77c8420d57be [2023-11-19 03:41:18,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:18,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:18,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:18,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:18,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:18,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420a8c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18, skipping insertion in model container [2023-11-19 03:41:18,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:18,187 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_92c394ff-ec85-4435-a8b5-887319ec390a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2023-11-19 03:41:18,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:18,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:18,228 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_92c394ff-ec85-4435-a8b5-887319ec390a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2023-11-19 03:41:18,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:18,249 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:18,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18 WrapperNode [2023-11-19 03:41:18,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:18,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:18,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:18,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:18,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,286 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 03:41:18,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:18,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:18,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:18,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:18,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:18,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:18,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:18,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:18,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:18,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:18,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:18,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c394ff-ec85-4435-a8b5-887319ec390a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:41:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:41:18,496 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:18,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:18,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:18,802 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:18,805 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:41:18,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:18 BoogieIcfgContainer [2023-11-19 03:41:18,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:18,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:18,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:18,824 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:18,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:18" (1/1) ... [2023-11-19 03:41:18,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:41:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:41:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:18,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:18,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,084 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 03:41:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:41:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:41:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:41:19,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,302 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 03:41:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:41:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:41:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:41:19,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,449 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 03:41:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:41:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:41:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:19,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 03:41:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 03:41:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:41:20,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:20,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:20,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:20,381 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 03:41:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-19 03:41:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:41:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:41:21,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:21,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:41:21,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-19 03:41:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-19 03:41:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:41:22,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:41:22,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-19 03:41:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-19 03:41:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:41:22,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:22,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:23,012 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 03:41:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 03:41:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 03:41:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:23,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:41:23,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2023-11-19 03:41:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2023-11-19 03:41:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:24,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:41:25,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:41:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-11-19 03:41:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-11-19 03:41:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:26,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:26,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:26,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:41:26,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:41:39,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:41:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2023-11-19 03:41:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2023-11-19 03:41:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:39,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:39,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:41:39,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 130 transitions. [2023-11-19 03:41:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 130 transitions. [2023-11-19 03:41:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:40,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:40,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:41:40,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:41:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-11-19 03:41:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-11-19 03:41:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:41:40,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:40,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:41:40,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2023-11-19 03:41:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2023-11-19 03:41:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:41:44,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:44,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:44,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:41:44,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-11-19 03:41:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-11-19 03:41:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:45,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:45,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:41:45,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 76 states and 190 transitions. [2023-11-19 03:41:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 190 transitions. [2023-11-19 03:41:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:47,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:47,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:47,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:41:47,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 193 transitions. [2023-11-19 03:41:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2023-11-19 03:41:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:48,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:48,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:41:48,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 87 states and 238 transitions. [2023-11-19 03:41:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 238 transitions. [2023-11-19 03:41:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:51,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:51,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:51,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:41:51,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2023-11-19 03:41:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2023-11-19 03:41:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:52,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:52,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:52,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:41:52,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 92 states and 242 transitions. [2023-11-19 03:41:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 242 transitions. [2023-11-19 03:41:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:53,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:53,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:41:53,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2023-11-19 03:41:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2023-11-19 03:41:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:41:54,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-11-19 03:41:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-11-19 03:41:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:41:54,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:41:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 102 states and 288 transitions. [2023-11-19 03:41:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2023-11-19 03:41:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:41:59,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:59,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:41:59,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 108 states and 296 transitions. [2023-11-19 03:42:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 296 transitions. [2023-11-19 03:42:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:42:02,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:02,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:42:02,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:42:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 109 states and 298 transitions. [2023-11-19 03:42:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 298 transitions. [2023-11-19 03:42:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:42:02,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:02,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:42:02,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-11-19 03:42:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-11-19 03:42:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:03,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:03,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:03,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:42:03,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:42:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 115 states and 316 transitions. [2023-11-19 03:42:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 316 transitions. [2023-11-19 03:42:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:05,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:05,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:06,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:06,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 118 states and 320 transitions. [2023-11-19 03:42:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 320 transitions. [2023-11-19 03:42:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:08,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:08,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:42:08,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:42:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 121 states and 323 transitions. [2023-11-19 03:42:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 323 transitions. [2023-11-19 03:42:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:10,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:10,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:10,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:42:10,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:42:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 123 states and 324 transitions. [2023-11-19 03:42:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 324 transitions. [2023-11-19 03:42:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:12,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:12,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:12,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.