./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.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_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/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_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/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_b9ba07b9-4b85-4f9b-927e-11362c087179/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 c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:08,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:08,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:14:08,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:08,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:08,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:08,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:08,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:08,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:08,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:08,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:08,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:08,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:08,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:08,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:08,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:08,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:08,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:08,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:08,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:08,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:08,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:08,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:08,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:08,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:08,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:08,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:08,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:08,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:08,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:08,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:08,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:08,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:08,470 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_b9ba07b9-4b85-4f9b-927e-11362c087179/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 [2023-11-19 03:14:08,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:08,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:08,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:08,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:08,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:08,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2023-11-19 03:14:11,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:12,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:12,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2023-11-19 03:14:12,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/data/46f057596/70815f1fd0f64008ba5263a450aebf57/FLAG1f0913204 [2023-11-19 03:14:12,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/data/46f057596/70815f1fd0f64008ba5263a450aebf57 [2023-11-19 03:14:12,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:12,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:12,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:12,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:12,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:12,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577e364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12, skipping insertion in model container [2023-11-19 03:14:12,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:12,483 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_b9ba07b9-4b85-4f9b-927e-11362c087179/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] [2023-11-19 03:14:12,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:12,516 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:12,531 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_b9ba07b9-4b85-4f9b-927e-11362c087179/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] [2023-11-19 03:14:12,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:12,556 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:12,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12 WrapperNode [2023-11-19 03:14:12,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:12,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:12,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:12,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:12,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,596 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-19 03:14:12,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:12,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:12,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:12,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:12,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:12,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:12,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:12,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:12,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:12,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:12,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:12,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ba07b9-4b85-4f9b-927e-11362c087179/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:14:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:14:12,790 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:12,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:12,923 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:12,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:12,964 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:12,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:12 BoogieIcfgContainer [2023-11-19 03:14:12,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:12,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:12,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:12,982 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:12,982 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:12" (1/1) ... [2023-11-19 03:14:12,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 03:14:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 03:14:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:14:13,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:13,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:14:13,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:13,398 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 03:14:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 03:14:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 03:14:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:14:13,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:13,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:14:13,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-19 03:14:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 03:14:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:14:13,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:13,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:14:13,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 03:14:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 03:14:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:14:14,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:14:14,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:14:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 03:14:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 03:14:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:14:14,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:14:14,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 03:14:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 03:14:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:14:15,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:14:15,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:14:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-11-19 03:14:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-11-19 03:14:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:14:15,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:14:15,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:14:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 03:14:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 03:14:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:14:16,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:16,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:14:16,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:14:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-19 03:14:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-19 03:14:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:14:17,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:14:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-19 03:14:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-19 03:14:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:14:17,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:18,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:14:18,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 15 proven. 122 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:14:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-19 03:14:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-19 03:14:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:14:18,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:18,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:14:18,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:14:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-19 03:14:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-19 03:14:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:14:19,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:19,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:19,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:14:19,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:14:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 03:14:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 03:14:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:14:20,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:20,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:14:20,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:14:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2023-11-19 03:14:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-19 03:14:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:14:21,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:21,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:21,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:14:21,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 23 proven. 256 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 03:14:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-11-19 03:14:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-11-19 03:14:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:14:22,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:22,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:14:22,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 03:14:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2023-11-19 03:14:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2023-11-19 03:14:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 03:14:24,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:24,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:14:24,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 28 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:14:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2023-11-19 03:14:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2023-11-19 03:14:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:14:25,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:25,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 03:14:25,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 30 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:14:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2023-11-19 03:14:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2023-11-19 03:14:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:14:26,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:26,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 03:14:26,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 32 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 03:14:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2023-11-19 03:14:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-19 03:14:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 03:14:27,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:28,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 03:14:28,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 34 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:14:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-19 03:14:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-19 03:14:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 03:14:29,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:29,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:29,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 03:14:29,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 36 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:14:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2023-11-19 03:14:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2023-11-19 03:14:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 03:14:31,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:31,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:31,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-19 03:14:31,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 38 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 03:14:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2023-11-19 03:14:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-11-19 03:14:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 03:14:32,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:32,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-19 03:14:32,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 40 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 03:14:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 81 states and 128 transitions. [2023-11-19 03:14:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 128 transitions. [2023-11-19 03:14:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 03:14:34,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:34,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:34,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 03:14:34,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 41 proven. 733 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 03:14:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2023-11-19 03:14:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2023-11-19 03:14:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 03:14:36,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:36,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:36,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 03:14:36,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 44 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 03:14:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2023-11-19 03:14:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-11-19 03:14:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 03:14:38,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:38,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-19 03:14:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 45 proven. 872 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 03:14:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2023-11-19 03:14:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2023-11-19 03:14:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 03:14:40,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:40,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:40,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-19 03:14:40,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 48 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 03:14:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 148 transitions. [2023-11-19 03:14:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2023-11-19 03:14:42,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:14:42,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:42,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:42,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-19 03:14:42,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 50 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 03:14:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2023-11-19 03:14:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-11-19 03:14:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-19 03:14:44,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:44,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-19 03:14:44,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 52 proven. 1027 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 03:14:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 158 transitions. [2023-11-19 03:14:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2023-11-19 03:14:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 03:14:46,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:47,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-19 03:14:47,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 54 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 03:14:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 163 transitions. [2023-11-19 03:14:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2023-11-19 03:14:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 03:14:49,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-19 03:14:49,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 56 proven. 1190 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 03:14:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-11-19 03:14:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-19 03:14:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 03:14:51,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:51,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:52,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 123 conjunts are in the unsatisfiable core [2023-11-19 03:14:52,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 58 proven. 1276 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 03:14:54,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-11-19 03:14:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-19 03:14:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 03:14:54,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:54,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 127 conjunts are in the unsatisfiable core [2023-11-19 03:14:54,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 60 proven. 1365 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-19 03:14:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2023-11-19 03:14:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2023-11-19 03:14:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-19 03:14:57,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:57,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 131 conjunts are in the unsatisfiable core [2023-11-19 03:14:57,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3379 backedges. 62 proven. 1457 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 03:15:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 183 transitions. [2023-11-19 03:15:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2023-11-19 03:15:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-11-19 03:15:01,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:01,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:01,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 135 conjunts are in the unsatisfiable core [2023-11-19 03:15:01,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 64 proven. 1552 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-19 03:15:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 117 states and 188 transitions. [2023-11-19 03:15:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2023-11-19 03:15:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-19 03:15:04,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:04,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 139 conjunts are in the unsatisfiable core [2023-11-19 03:15:04,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 66 proven. 1650 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.