./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/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 ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:18,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:18,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:18,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:18,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:18,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:18,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:18,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:18,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:18,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:18,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:18,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:18,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:18,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:18,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:18,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:18,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:18,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:18,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:18,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:18,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:18,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:18,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:18,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:18,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:18,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:18,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:18,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:18,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:18,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:18,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:18,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:18,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:18,904 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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 [2023-11-19 04:00:19,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:19,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:19,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:19,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:19,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:19,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2023-11-19 04:00:22,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:22,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:22,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2023-11-19 04:00:22,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/data/d91dfcd60/b8daae8107f146d0a02855f774f3addc/FLAGf5f13b42d [2023-11-19 04:00:22,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/data/d91dfcd60/b8daae8107f146d0a02855f774f3addc [2023-11-19 04:00:22,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:22,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:22,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:22,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:22,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:22,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728854a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22, skipping insertion in model container [2023-11-19 04:00:22,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:22,810 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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c[588,601] [2023-11-19 04:00:22,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:22,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:22,851 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_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c[588,601] [2023-11-19 04:00:22,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:22,876 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:22,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22 WrapperNode [2023-11-19 04:00:22,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:22,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:22,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:22,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:22,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,913 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 04:00:22,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:22,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:22,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:22,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:22,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:22,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:22,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:22,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:22,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:22,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:23,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8501e1c4-5a64-4179-a8ac-a7a8e0115f83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:23,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:23,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:23,283 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:23,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:23,321 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:23,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:23 BoogieIcfgContainer [2023-11-19 04:00:23,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:23,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:23,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:23,349 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:23,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:23" (1/1) ... [2023-11-19 04:00:23,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 04:00:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 04:00:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:23,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:23,901 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 04:00:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-19 04:00:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-19 04:00:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:00:23,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,148 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 04:00:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2023-11-19 04:00:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 04:00:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:24,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,403 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 04:00:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2023-11-19 04:00:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-11-19 04:00:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:00:24,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,055 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 04:00:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2023-11-19 04:00:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2023-11-19 04:00:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:00:25,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:00:25,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,531 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 04:00:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2023-11-19 04:00:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-19 04:00:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:25,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:25,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,740 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 04:00:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 87 transitions. [2023-11-19 04:00:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2023-11-19 04:00:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:26,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:26,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:26,762 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 04:00:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 94 transitions. [2023-11-19 04:00:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-19 04:00:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:00:27,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:27,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 04:00:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-11-19 04:00:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-19 04:00:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:00:28,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:28,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:28,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:28,714 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 04:00:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-11-19 04:00:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-19 04:00:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:29,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:29,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:29,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:29,656 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 04:00:30,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-11-19 04:00:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-19 04:00:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:00:30,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,368 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 04:00:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-19 04:00:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-19 04:00:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:00:30,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,726 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 04:00:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 103 transitions. [2023-11-19 04:00:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 04:00:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:00:31,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,593 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 04:00:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 120 transitions. [2023-11-19 04:00:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2023-11-19 04:00:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:00:32,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:32,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:00:32,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,378 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 04:00:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 126 transitions. [2023-11-19 04:00:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2023-11-19 04:00:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:00:34,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:00:34,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 04:00:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 129 transitions. [2023-11-19 04:00:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-19 04:00:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:00:34,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:35,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:35,379 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 04:00:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 71 states and 137 transitions. [2023-11-19 04:00:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-19 04:00:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:00:36,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:00:36,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 54 proven. 45 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-19 04:00:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-19 04:00:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-19 04:00:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:00:37,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:00:37,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 04:00:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-19 04:00:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-19 04:00:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:00:39,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:39,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:39,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:39,458 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 04:00:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 144 transitions. [2023-11-19 04:00:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2023-11-19 04:00:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:00:39,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:39,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:39,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 04:00:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 76 states and 147 transitions. [2023-11-19 04:00:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2023-11-19 04:00:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:00:40,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:40,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:40,479 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 04:00:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 78 states and 150 transitions. [2023-11-19 04:00:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2023-11-19 04:00:41,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:00:41,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:41,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:41,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:41,746 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 04:00:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 80 states and 153 transitions. [2023-11-19 04:00:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2023-11-19 04:00:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 04:00:42,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:00:42,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 31 proven. 67 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 04:00:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 171 transitions. [2023-11-19 04:00:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2023-11-19 04:00:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:00:45,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:00:45,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:46,228 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 04:00:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 92 states and 177 transitions. [2023-11-19 04:00:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-19 04:00:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 04:00:47,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:47,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:47,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:47,797 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 04:00:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 93 states and 180 transitions. [2023-11-19 04:00:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 180 transitions. [2023-11-19 04:00:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:00:48,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:48,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:48,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:48,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:49,548 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 04:00:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 97 states and 188 transitions. [2023-11-19 04:00:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 188 transitions. [2023-11-19 04:00:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 04:00:50,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:50,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:50,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:00:50,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:51,299 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 04:00:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 192 transitions. [2023-11-19 04:00:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 192 transitions. [2023-11-19 04:00:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:00:51,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:51,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:51,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:00:51,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 04:00:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 100 states and 194 transitions. [2023-11-19 04:00:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2023-11-19 04:00:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:00:53,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:53,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,069 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 04:00:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 101 states and 197 transitions. [2023-11-19 04:00:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2023-11-19 04:00:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 04:00:54,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 40 proven. 42 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 04:00:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 103 states and 200 transitions. [2023-11-19 04:00:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2023-11-19 04:00:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:00:56,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:57,058 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 04:00:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 104 states and 202 transitions. [2023-11-19 04:00:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2023-11-19 04:00:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 04:00:59,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:59,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:59,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 04:01:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 107 states and 207 transitions. [2023-11-19 04:01:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2023-11-19 04:01:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 04:01:01,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,167 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 04:01:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 108 states and 210 transitions. [2023-11-19 04:01:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2023-11-19 04:01:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 04:01:04,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,884 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 04:01:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 109 states and 212 transitions. [2023-11-19 04:01:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 212 transitions. [2023-11-19 04:01:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 04:01:07,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 04:01:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 111 states and 216 transitions. [2023-11-19 04:01:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 216 transitions. [2023-11-19 04:01:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 04:01:09,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:01:09,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.