./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/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_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/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_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/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 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:06,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:06,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:17:06,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:17:06,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:17:06,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:06,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:17:06,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:17:06,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:06,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:06,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:06,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:17:06,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:06,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:06,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:06,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:06,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:17:06,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:06,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:17:06,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:06,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:17:06,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:06,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:06,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:06,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:06,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:06,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:06,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:06,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:06,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:17:06,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:17:06,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:17:06,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:17:06,954 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_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd [2023-11-19 03:17:07,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:07,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:07,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:07,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:07,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:07,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2023-11-19 03:17:10,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:10,754 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:10,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2023-11-19 03:17:10,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/data/eb7e75e8f/ab28074c894141e7bd9ca596ef20f667/FLAG085bc1866 [2023-11-19 03:17:10,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/data/eb7e75e8f/ab28074c894141e7bd9ca596ef20f667 [2023-11-19 03:17:10,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:10,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:10,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:10,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:10,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:10,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:10" (1/1) ... [2023-11-19 03:17:10,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7c5a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:10, skipping insertion in model container [2023-11-19 03:17:10,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:10" (1/1) ... [2023-11-19 03:17:10,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:11,001 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_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c[588,601] [2023-11-19 03:17:11,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:11,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:11,047 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_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c[588,601] [2023-11-19 03:17:11,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:11,073 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:11,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11 WrapperNode [2023-11-19 03:17:11,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:11,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:11,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:11,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:11,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,109 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 03:17:11,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:11,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:11,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:11,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:11,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:11,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:11,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:11,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:11,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:11,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:11,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:11,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb2cd03-54fc-4df1-8df4-a6c98cd7702a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:17:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:17:11,271 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:11,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:11,438 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:11,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:11,490 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:17:11,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:11 BoogieIcfgContainer [2023-11-19 03:17:11,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:11,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:11,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:11,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:11,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:11" (1/1) ... [2023-11-19 03:17:11,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 03:17:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 03:17:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:17:11,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:11,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-19 03:17:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-19 03:17:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:17:12,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:17:12,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2023-11-19 03:17:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 03:17:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:17:12,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:17:12,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:17:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2023-11-19 03:17:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-11-19 03:17:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:17:13,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,198 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 03:17:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2023-11-19 03:17:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2023-11-19 03:17:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:17:13,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,634 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 03:17:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2023-11-19 03:17:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-19 03:17:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:17:13,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,878 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 03:17:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 87 transitions. [2023-11-19 03:17:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2023-11-19 03:17:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:17:14,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:14,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:14,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:14,647 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 03:17:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 94 transitions. [2023-11-19 03:17:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-19 03:17:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:17:15,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:15,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:15,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:17:15,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:17:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 101 transitions. [2023-11-19 03:17:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2023-11-19 03:17:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:17:16,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:16,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:16,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:17:16,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:17:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 56 states and 113 transitions. [2023-11-19 03:17:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 113 transitions. [2023-11-19 03:17:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:17:16,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:17,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:17:17,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:17:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 58 states and 118 transitions. [2023-11-19 03:17:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 118 transitions. [2023-11-19 03:17:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:17:17,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:17,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:17,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:17:17,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 03:17:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-19 03:17:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-19 03:17:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:17:18,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:18,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:18,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:17:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 103 transitions. [2023-11-19 03:17:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 03:17:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:17:19,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:19,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:17:19,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:17:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 120 transitions. [2023-11-19 03:17:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2023-11-19 03:17:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:17:21,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:21,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:17:21,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:21,698 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:17:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 126 transitions. [2023-11-19 03:17:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2023-11-19 03:17:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:17:22,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:22,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:22,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:17:22,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:17:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 129 transitions. [2023-11-19 03:17:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-19 03:17:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:17:23,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:23,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:17:23,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 03:17:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 71 states and 137 transitions. [2023-11-19 03:17:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-19 03:17:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:17:25,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:25,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:25,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:17:25,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:17:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-19 03:17:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-19 03:17:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:17:26,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:26,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:26,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:17:26,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:17:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-19 03:17:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-19 03:17:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:17:27,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:27,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:27,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 03:17:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 144 transitions. [2023-11-19 03:17:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2023-11-19 03:17:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:17:28,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:28,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:17:28,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:17:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 76 states and 147 transitions. [2023-11-19 03:17:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2023-11-19 03:17:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:17:29,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:29,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:29,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-19 03:17:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 78 states and 150 transitions. [2023-11-19 03:17:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2023-11-19 03:17:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:17:30,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:30,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:30,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:17:30,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:17:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 80 states and 153 transitions. [2023-11-19 03:17:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2023-11-19 03:17:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:17:31,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:31,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:17:31,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 03:17:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 81 states and 155 transitions. [2023-11-19 03:17:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 155 transitions. [2023-11-19 03:17:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 03:17:34,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:34,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:17:34,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 03:17:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 160 transitions. [2023-11-19 03:17:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2023-11-19 03:17:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:17:36,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:36,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:17:36,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:17:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 85 states and 163 transitions. [2023-11-19 03:17:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2023-11-19 03:17:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:17:38,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:38,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:17:38,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:17:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 86 states and 165 transitions. [2023-11-19 03:17:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2023-11-19 03:17:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:17:40,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:40,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:17:40,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 35 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 03:17:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 88 states and 169 transitions. [2023-11-19 03:17:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2023-11-19 03:17:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 03:17:41,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:41,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:17:41,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:17:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 89 states and 171 transitions. [2023-11-19 03:17:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2023-11-19 03:17:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 03:17:43,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:43,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:43,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:17:43,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 03:17:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 90 states and 174 transitions. [2023-11-19 03:17:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2023-11-19 03:17:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 03:17:44,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:44,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:44,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:44,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-19 03:17:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 92 states and 176 transitions. [2023-11-19 03:17:45,802 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 176 transitions. [2023-11-19 03:17:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:17:45,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:45,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:45,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:17:45,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 03:17:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 95 states and 182 transitions. [2023-11-19 03:17:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 182 transitions. [2023-11-19 03:17:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:17:49,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:49,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:17:49,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 41 proven. 115 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 03:17:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 98 states and 188 transitions. [2023-11-19 03:17:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2023-11-19 03:17:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 03:17:52,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:52,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:17:52,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 43 proven. 106 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 03:17:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 99 states and 191 transitions. [2023-11-19 03:17:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2023-11-19 03:17:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 03:17:55,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:55,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:17:55,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 43 proven. 122 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 03:17:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 103 states and 198 transitions. [2023-11-19 03:17:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 198 transitions. [2023-11-19 03:17:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 03:17:58,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:58,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:17:58,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 03:18:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 105 states and 202 transitions. [2023-11-19 03:18:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 202 transitions. [2023-11-19 03:18:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 03:18:00,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:00,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:18:00,126 INFO L285 TraceCheckSpWp]: Computing forward predicates...