./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/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_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/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_eaec56a3-39a6-4e20-8992-e7bd3141839e/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 a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:19,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:19,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:19,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:19,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:19,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:19,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:19,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:19,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:19,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:19,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:19,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:19,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:19,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:19,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:19,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:19,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:19,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:19,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:19,295 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:19,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:19,296 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:19,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:19,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:19,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:19,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:19,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:19,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:19,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:19,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:19,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:19,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:19,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:19,305 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_eaec56a3-39a6-4e20-8992-e7bd3141839e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f [2023-11-19 02:47:19,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:19,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:19,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:19,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:19,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:19,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2023-11-19 02:47:22,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:23,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:23,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2023-11-19 02:47:23,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/data/31af0b5a7/2faecf005cb244a2932cb5b2fd18cfbc/FLAG585323486 [2023-11-19 02:47:23,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/data/31af0b5a7/2faecf005cb244a2932cb5b2fd18cfbc [2023-11-19 02:47:23,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:23,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:23,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:23,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:23,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:23,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42de1b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23, skipping insertion in model container [2023-11-19 02:47:23,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:23,354 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_eaec56a3-39a6-4e20-8992-e7bd3141839e/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c[538,551] [2023-11-19 02:47:23,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:23,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:23,396 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_eaec56a3-39a6-4e20-8992-e7bd3141839e/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c[538,551] [2023-11-19 02:47:23,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:23,419 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:23,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23 WrapperNode [2023-11-19 02:47:23,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:23,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:23,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:23,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:23,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,456 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 02:47:23,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:23,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:23,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:23,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:23,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:23,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:23,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:23,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:23,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:23,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:23,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaec56a3-39a6-4e20-8992-e7bd3141839e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:47:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:47:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:23,638 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:23,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:23,821 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:23,859 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:23,860 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:23,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:23 BoogieIcfgContainer [2023-11-19 02:47:23,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:23,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:23,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:23,875 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:23,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:23" (1/1) ... [2023-11-19 02:47:23,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 02:47:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 02:47:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:23,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:23,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:47:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 47 transitions. [2023-11-19 02:47:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-11-19 02:47:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:47:24,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:47:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 51 transitions. [2023-11-19 02:47:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:47:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:47:24,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:24,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:24,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:24,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:47:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 58 transitions. [2023-11-19 02:47:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:47:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:47:25,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:25,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:25,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:47:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 63 transitions. [2023-11-19 02:47:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 02:47:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:47:26,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:26,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:26,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:47:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 72 transitions. [2023-11-19 02:47:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 02:47:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:47:26,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:26,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:26,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:47:26,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 02:47:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 80 transitions. [2023-11-19 02:47:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-19 02:47:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:47:27,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:27,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:27,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:27,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 02:47:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 89 transitions. [2023-11-19 02:47:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 02:47:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:47:27,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:27,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:27,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:27,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 02:47:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 90 transitions. [2023-11-19 02:47:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2023-11-19 02:47:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:47:27,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:27,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:47:27,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:47:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 94 transitions. [2023-11-19 02:47:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-19 02:47:28,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:47:28,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:28,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:28,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:28,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:47:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 93 transitions. [2023-11-19 02:47:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 02:47:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:47:28,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:28,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:28,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:47:28,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 02:47:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 98 transitions. [2023-11-19 02:47:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-19 02:47:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:47:29,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:29,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:47:29,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 02:47:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 108 transitions. [2023-11-19 02:47:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2023-11-19 02:47:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:47:31,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:31,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:47:31,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 02:47:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 119 transitions. [2023-11-19 02:47:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2023-11-19 02:47:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:47:32,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:32,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:47:32,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:33,199 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 02:47:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 136 transitions. [2023-11-19 02:47:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2023-11-19 02:47:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:47:34,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:34,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:34,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:47:34,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-19 02:47:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 84 states and 155 transitions. [2023-11-19 02:47:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 155 transitions. [2023-11-19 02:47:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:47:36,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:36,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:36,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:36,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-19 02:47:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 84 states and 154 transitions. [2023-11-19 02:47:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2023-11-19 02:47:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:47:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:37,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:37,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:47:37,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 02:47:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 86 states and 158 transitions. [2023-11-19 02:47:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 158 transitions. [2023-11-19 02:47:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:47:38,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:38,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:47:38,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 36 proven. 20 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 02:47:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 167 transitions. [2023-11-19 02:47:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2023-11-19 02:47:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:47:40,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:40,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:40,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 02:47:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 90 states and 167 transitions. [2023-11-19 02:47:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 167 transitions. [2023-11-19 02:47:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:47:41,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:41,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:47:41,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 02:47:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 94 states and 174 transitions. [2023-11-19 02:47:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2023-11-19 02:47:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:47:43,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:43,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:47:43,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-19 02:47:45,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 97 states and 180 transitions. [2023-11-19 02:47:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 180 transitions. [2023-11-19 02:47:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:47:45,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:47:45,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-19 02:47:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 103 states and 198 transitions. [2023-11-19 02:47:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 198 transitions. [2023-11-19 02:47:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:47:48,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:48,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:47:48,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-19 02:47:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 105 states and 203 transitions. [2023-11-19 02:47:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 203 transitions. [2023-11-19 02:47:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:47:50,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:47:50,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 02:47:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 105 states and 202 transitions. [2023-11-19 02:47:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 202 transitions. [2023-11-19 02:47:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 02:47:51,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:51,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:51,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:47:51,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-19 02:47:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 109 states and 216 transitions. [2023-11-19 02:47:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 216 transitions. [2023-11-19 02:47:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:47:54,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:54,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:54,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:47:54,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-19 02:47:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 114 states and 226 transitions. [2023-11-19 02:47:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 226 transitions. [2023-11-19 02:47:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:47:56,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:56,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:47:56,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 02:47:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 116 states and 230 transitions. [2023-11-19 02:47:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-11-19 02:47:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:47:59,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:59,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:59,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 02:47:59,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 02:48:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 118 states and 234 transitions. [2023-11-19 02:48:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 234 transitions. [2023-11-19 02:48:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:48:00,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:00,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:48:00,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 54 proven. 45 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 02:48:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 124 states and 252 transitions. [2023-11-19 02:48:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2023-11-19 02:48:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:48:04,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:04,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:48:04,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-11-19 02:48:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 126 states and 257 transitions. [2023-11-19 02:48:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2023-11-19 02:48:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:48:06,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:48:06,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-11-19 02:48:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 126 states and 256 transitions. [2023-11-19 02:48:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 256 transitions. [2023-11-19 02:48:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 02:48:07,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:07,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:48:07,277 INFO L285 TraceCheckSpWp]: Computing forward predicates...