./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.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_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/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_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/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_e0777658-4807-4256-8387-703d272f69cd/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 c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:39,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:39,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:50:40,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:40,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:40,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:40,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:40,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:40,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:40,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:40,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:40,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:40,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:40,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:40,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:40,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:40,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:40,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:40,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:40,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:40,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:40,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:40,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:40,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:40,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:40,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:40,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:40,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:40,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:40,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:40,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:40,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:40,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:40,054 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_e0777658-4807-4256-8387-703d272f69cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2023-11-19 02:50:40,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:40,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:40,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:40,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:40,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:40,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2023-11-19 02:50:43,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:43,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:43,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2023-11-19 02:50:43,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/data/dfa01b918/29e3225ff4d745c682e8d6347ca041a7/FLAGc37e61936 [2023-11-19 02:50:43,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/data/dfa01b918/29e3225ff4d745c682e8d6347ca041a7 [2023-11-19 02:50:43,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:43,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:43,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:43,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:43,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:43,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649a6b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43, skipping insertion in model container [2023-11-19 02:50:43,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:43,838 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_e0777658-4807-4256-8387-703d272f69cd/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2023-11-19 02:50:43,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:43,872 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:43,885 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_e0777658-4807-4256-8387-703d272f69cd/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2023-11-19 02:50:43,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:43,912 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:43,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43 WrapperNode [2023-11-19 02:50:43,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:43,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:43,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:43,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:43,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,948 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-19 02:50:43,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:43,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:43,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:43,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:43,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:43,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:43,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:43,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:43,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:43" (1/1) ... [2023-11-19 02:50:43,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:44,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:44,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:44,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0777658-4807-4256-8387-703d272f69cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:50:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:50:44,132 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:44,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:44,396 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:44,430 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:44,430 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:50:44,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:44 BoogieIcfgContainer [2023-11-19 02:50:44,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:44,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:44,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:44,450 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:44,450 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:44" (1/1) ... [2023-11-19 02:50:44,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-19 02:50:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-19 02:50:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:44,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-19 02:50:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-19 02:50:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:44,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 02:50:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 02:50:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:44,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2023-11-19 02:50:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-19 02:50:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:50:45,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:45,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2023-11-19 02:50:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 02:50:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:50:46,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:46,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:50:46,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:50:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2023-11-19 02:50:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2023-11-19 02:50:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:47,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:47,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:50:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2023-11-19 02:50:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2023-11-19 02:50:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:50:47,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:47,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:50:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2023-11-19 02:50:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-19 02:50:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:50:47,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:50:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:48,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 92 transitions. [2023-11-19 02:50:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2023-11-19 02:50:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:50:48,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:48,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:50:48,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:50:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 58 states and 154 transitions. [2023-11-19 02:50:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 154 transitions. [2023-11-19 02:50:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:50:50,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:50:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 60 states and 156 transitions. [2023-11-19 02:50:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 156 transitions. [2023-11-19 02:50:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:50:50,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:50:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 174 transitions. [2023-11-19 02:50:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 174 transitions. [2023-11-19 02:50:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:50:51,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:50:51,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 02:50:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 69 states and 190 transitions. [2023-11-19 02:50:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 190 transitions. [2023-11-19 02:50:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:50:53,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:50:53,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:50:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 71 states and 192 transitions. [2023-11-19 02:50:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 192 transitions. [2023-11-19 02:50:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:50:54,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:50:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 74 states and 210 transitions. [2023-11-19 02:50:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 210 transitions. [2023-11-19 02:50:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:50:54,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:50:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 79 states and 228 transitions. [2023-11-19 02:50:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 228 transitions. [2023-11-19 02:50:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:50:56,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:50:56,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:50:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 81 states and 229 transitions. [2023-11-19 02:50:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 229 transitions. [2023-11-19 02:50:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:50:57,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:57,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:50:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 83 states and 237 transitions. [2023-11-19 02:50:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 237 transitions. [2023-11-19 02:50:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:50:57,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:50:57,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:50:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 76 states and 222 transitions. [2023-11-19 02:50:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 222 transitions. [2023-11-19 02:50:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:50:59,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:59,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:50:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 77 states and 227 transitions. [2023-11-19 02:50:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 227 transitions. [2023-11-19 02:50:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:50:59,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:50:59,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:50:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 78 states and 232 transitions. [2023-11-19 02:50:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 232 transitions. [2023-11-19 02:50:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:50:59,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:59,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:51:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 80 states and 240 transitions. [2023-11-19 02:51:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 240 transitions. [2023-11-19 02:51:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:51:00,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:51:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 84 states and 261 transitions. [2023-11-19 02:51:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 261 transitions. [2023-11-19 02:51:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:00,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:51:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 86 states and 263 transitions. [2023-11-19 02:51:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 263 transitions. [2023-11-19 02:51:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:01,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:01,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-19 02:51:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 98 states and 382 transitions. [2023-11-19 02:51:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 382 transitions. [2023-11-19 02:51:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:04,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:51:04,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:51:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 100 states and 384 transitions. [2023-11-19 02:51:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 384 transitions. [2023-11-19 02:51:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:05,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-19 02:51:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 100 states and 383 transitions. [2023-11-19 02:51:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 383 transitions. [2023-11-19 02:51:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:51:05,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:51:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 108 states and 428 transitions. [2023-11-19 02:51:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 428 transitions. [2023-11-19 02:51:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:51:09,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:09,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:09,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:51:09,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:51:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 118 states and 449 transitions. [2023-11-19 02:51:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 449 transitions. [2023-11-19 02:51:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:51:12,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:12,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:51:12,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:51:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 123 states and 471 transitions. [2023-11-19 02:51:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 471 transitions. [2023-11-19 02:51:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:51:15,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:15,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:51:15,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 02:51:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 125 states and 473 transitions. [2023-11-19 02:51:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 473 transitions. [2023-11-19 02:51:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:51:16,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:16,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:51:16,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:51:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 127 states and 475 transitions. [2023-11-19 02:51:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 475 transitions. [2023-11-19 02:51:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:51:17,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:17,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:51:17,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 02:51:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 130 states and 503 transitions. [2023-11-19 02:51:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 503 transitions. [2023-11-19 02:51:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:51:19,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:51:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 137 states and 536 transitions. [2023-11-19 02:51:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 536 transitions. [2023-11-19 02:51:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:51:23,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:23,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:23,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:51:23,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 02:51:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 139 states and 537 transitions. [2023-11-19 02:51:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 537 transitions. [2023-11-19 02:51:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:51:24,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:24,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:24,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:51:24,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:51:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 141 states and 538 transitions. [2023-11-19 02:51:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 538 transitions. [2023-11-19 02:51:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:51:26,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:26,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:26,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:51:26,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 25 proven. 45 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 02:51:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 145 states and 568 transitions. [2023-11-19 02:51:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 568 transitions. [2023-11-19 02:51:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:51:27,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:27,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:51:27,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 40 proven. 42 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 02:51:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 147 states and 582 transitions. [2023-11-19 02:51:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 582 transitions. [2023-11-19 02:51:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 02:51:29,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:29,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:29,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-19 02:51:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 148 states and 585 transitions. [2023-11-19 02:51:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 585 transitions. [2023-11-19 02:51:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:51:30,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:30,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:30,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:51:30,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 42 proven. 47 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 02:51:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 149 states and 593 transitions. [2023-11-19 02:51:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 593 transitions. [2023-11-19 02:51:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 02:51:32,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:32,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:32,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked.