./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.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_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/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_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/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_025ae538-190b-45ce-806c-8b06183e830a/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 e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:13,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:13,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:54:13,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:13,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:13,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:13,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:13,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:13,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:13,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:13,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:13,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:13,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:13,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:13,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:13,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:13,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:13,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:13,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:13,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:13,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:13,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:13,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:13,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:13,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:13,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:13,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:13,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:13,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:13,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:13,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:13,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:13,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:13,507 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_025ae538-190b-45ce-806c-8b06183e830a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 [2023-11-19 02:54:13,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:13,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:13,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:13,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:13,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:13,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-19 02:54:16,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:17,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:17,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-19 02:54:17,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/data/4ec1564b8/9c39b3fd88b941e29a237e619996d5be/FLAG691fefb6d [2023-11-19 02:54:17,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/data/4ec1564b8/9c39b3fd88b941e29a237e619996d5be [2023-11-19 02:54:17,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:17,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:17,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:17,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:17,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:17,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180d4b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17, skipping insertion in model container [2023-11-19 02:54:17,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:17,372 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_025ae538-190b-45ce-806c-8b06183e830a/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c[538,551] [2023-11-19 02:54:17,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:17,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:17,418 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_025ae538-190b-45ce-806c-8b06183e830a/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c[538,551] [2023-11-19 02:54:17,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:17,445 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:17,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17 WrapperNode [2023-11-19 02:54:17,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:17,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:17,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:17,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:17,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,488 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 02:54:17,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:17,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:17,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:17,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:17,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:17,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:17,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:17,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:17,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:17" (1/1) ... [2023-11-19 02:54:17,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:17,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:17,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025ae538-190b-45ce-806c-8b06183e830a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:54:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:54:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:17,693 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:17,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:18,004 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:18,068 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:18,069 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:54:18,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:18 BoogieIcfgContainer [2023-11-19 02:54:18,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:18,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:18,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:18,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:18,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:18" (1/1) ... [2023-11-19 02:54:18,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 02:54:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 02:54:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:18,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:18,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:18,593 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 02:54:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 47 transitions. [2023-11-19 02:54:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-11-19 02:54:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:18,985 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 02:54:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 51 transitions. [2023-11-19 02:54:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:54:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:54:19,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:19,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:19,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:19,395 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 02:54:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 58 transitions. [2023-11-19 02:54:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 02:54:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:54:19,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:19,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:19,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,016 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 02:54:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 63 transitions. [2023-11-19 02:54:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 02:54:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:54:20,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,483 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 02:54:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 72 transitions. [2023-11-19 02:54:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 02:54:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:54:20,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,765 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 02:54:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 80 transitions. [2023-11-19 02:54:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-19 02:54:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:54:21,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:21,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,496 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 02:54:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 89 transitions. [2023-11-19 02:54:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 02:54:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:54:21,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:21,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,703 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 02:54:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 90 transitions. [2023-11-19 02:54:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2023-11-19 02:54:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:54:21,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,172 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 02:54:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 94 transitions. [2023-11-19 02:54:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-19 02:54:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:54:22,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,775 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 02:54:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 93 transitions. [2023-11-19 02:54:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 02:54:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:54:23,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:23,240 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 02:54:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 98 transitions. [2023-11-19 02:54:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-19 02:54:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:54:23,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:24,229 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 02:54:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 108 transitions. [2023-11-19 02:54:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2023-11-19 02:54:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:54:25,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:25,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:25,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:25,593 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 02:54:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 119 transitions. [2023-11-19 02:54:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2023-11-19 02:54:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:54:26,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:26,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:54:26,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:27,300 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 02:54:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 73 states and 137 transitions. [2023-11-19 02:54:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2023-11-19 02:54:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:54:28,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:28,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:28,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:54:28,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 02:54:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 86 states and 159 transitions. [2023-11-19 02:54:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2023-11-19 02:54:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:54:31,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,354 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 02:54:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 86 states and 158 transitions. [2023-11-19 02:54:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 158 transitions. [2023-11-19 02:54:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:54:31,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 02:54:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 167 transitions. [2023-11-19 02:54:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2023-11-19 02:54:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:54:34,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:34,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:34,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:34,289 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 02:54:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 90 states and 167 transitions. [2023-11-19 02:54:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 167 transitions. [2023-11-19 02:54:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:54:34,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:34,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:54:34,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:35,084 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 02:54:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 94 states and 174 transitions. [2023-11-19 02:54:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2023-11-19 02:54:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:54:37,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:37,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:54:37,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:37,723 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 02:54:38,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 97 states and 180 transitions. [2023-11-19 02:54:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 180 transitions. [2023-11-19 02:54:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:54:38,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:39,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:54:39,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:39,869 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 02:54:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 102 states and 197 transitions. [2023-11-19 02:54:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2023-11-19 02:54:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:54:41,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 02:54:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 103 states and 198 transitions. [2023-11-19 02:54:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 198 transitions. [2023-11-19 02:54:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:54:42,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:42,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:54:42,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-11-19 02:54:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 105 states and 203 transitions. [2023-11-19 02:54:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 203 transitions. [2023-11-19 02:54:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:54:45,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:45,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:45,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:45,292 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 02:54:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 105 states and 202 transitions. [2023-11-19 02:54:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 202 transitions. [2023-11-19 02:54:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 02:54:45,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:45,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:54:45,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-19 02:54:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 104 states and 212 transitions. [2023-11-19 02:54:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 212 transitions. [2023-11-19 02:54:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:54:52,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:52,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:54:52,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,131 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 02:54:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 109 states and 222 transitions. [2023-11-19 02:54:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 222 transitions. [2023-11-19 02:54:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:54:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:55,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:54:55,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:56,214 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 02:54:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 111 states and 226 transitions. [2023-11-19 02:54:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 226 transitions. [2023-11-19 02:54:57,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:54:57,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:54:57,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:57,790 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 02:54:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 113 states and 230 transitions. [2023-11-19 02:54:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 230 transitions. [2023-11-19 02:54:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:54:58,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-19 02:55:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 118 states and 247 transitions. [2023-11-19 02:55:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 247 transitions. [2023-11-19 02:55:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:55:02,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 27 proven. 72 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 02:55:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 119 states and 248 transitions. [2023-11-19 02:55:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 248 transitions. [2023-11-19 02:55:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:55:03,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 29 proven. 76 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked.