./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/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_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:45,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:45,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:56:45,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:45,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:45,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:45,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:45,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:45,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:45,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:45,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:45,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:45,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:45,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:45,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:45,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:45,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:45,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:45,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:45,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:45,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:45,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:45,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:45,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:45,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:45,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:45,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:45,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:45,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:45,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:45,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:45,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:45,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:45,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:45,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:45,841 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_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 [2023-11-19 03:56:46,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:46,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:46,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:46,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:46,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:46,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2023-11-19 03:56:49,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:49,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:49,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2023-11-19 03:56:49,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/data/bfaa7288b/6d522beda5714dabbd85cf2533726282/FLAG3c8163e42 [2023-11-19 03:56:49,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/data/bfaa7288b/6d522beda5714dabbd85cf2533726282 [2023-11-19 03:56:49,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:49,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:49,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:49,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:49,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:49,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10251338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49, skipping insertion in model container [2023-11-19 03:56:49,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:50,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:50,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:50,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:50,092 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:50,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50 WrapperNode [2023-11-19 03:56:50,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:50,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:50,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:50,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:50,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,140 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-19 03:56:50,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:50,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:50,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:50,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:50,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:50,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:50,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:50,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:50,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:50,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:50,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9f749b-cd6b-4f03-b875-797c6af0ce2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:56:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:56:50,292 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:50,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:50,540 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:50,589 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:50,589 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:56:50,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:50 BoogieIcfgContainer [2023-11-19 03:56:50,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:50,595 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:50,596 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:50,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:50,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:50" (1/1) ... [2023-11-19 03:56:50,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-19 03:56:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 03:56:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:56:50,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:50,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,840 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 03:56:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-19 03:56:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-19 03:56:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:50,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:50,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-19 03:56:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 03:56:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:51,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-19 03:56:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-19 03:56:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:51,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-19 03:56:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-19 03:56:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:51,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-19 03:56:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-19 03:56:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:51,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-19 03:56:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-19 03:56:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:56:52,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-19 03:56:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-19 03:56:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:56:52,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-19 03:56:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-19 03:56:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:56:52,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-19 03:56:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-19 03:56:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:56:53,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:56:53,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-19 03:56:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 03:56:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:56:54,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:54,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-19 03:56:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-19 03:56:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:54,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:56:54,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:56:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-19 03:56:55,747 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-19 03:56:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:56:55,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:55,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:56:55,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:56:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-19 03:56:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-19 03:56:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:56:56,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:56,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:56,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:56,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:56:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-19 03:56:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-19 03:56:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:56:57,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:57,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:57,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:56:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-19 03:56:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-19 03:56:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:56:58,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:56:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-19 03:56:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-19 03:56:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:56:59,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:57:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-19 03:57:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-19 03:57:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:57:01,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:01,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:57:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-19 03:57:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-19 03:57:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:01,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:01,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:57:02,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-19 03:57:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-19 03:57:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:57:02,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:57:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-19 03:57:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-19 03:57:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:57:02,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:57:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-19 03:57:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-19 03:57:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:57:04,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:04,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:57:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-19 03:57:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-19 03:57:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:57:05,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:57:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-19 03:57:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-19 03:57:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:57:06,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:06,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:57:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-19 03:57:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-19 03:57:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:57:06,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:07,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:57:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-19 03:57:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-19 03:57:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:57:08,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:08,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:57:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-19 03:57:09,406 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-19 03:57:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:09,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:09,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:57:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-19 03:57:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-19 03:57:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:57:11,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:11,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 03:57:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-19 03:57:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-19 03:57:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:12,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:12,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:57:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-19 03:57:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-19 03:57:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:13,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:13,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-19 03:57:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-19 03:57:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:57:14,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:14,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:14,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-19 03:57:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-19 03:57:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:15,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-19 03:57:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-19 03:57:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:57:17,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:17,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:17,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:17,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-19 03:57:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-19 03:57:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:21,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:21,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:21,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:21,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-19 03:57:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-19 03:57:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:22,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:22,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-19 03:57:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-19 03:57:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:57:23,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:23,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:57:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-19 03:57:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-19 03:57:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:57:24,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:24,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:57:28,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-19 03:57:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-19 03:57:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:28,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:57:28,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 03:57:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-19 03:57:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-19 03:57:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:28,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:28,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:57:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 322 states and 565 transitions. [2023-11-19 03:57:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 565 transitions. [2023-11-19 03:57:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:30,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:30,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:30,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:30,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:57:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 326 states and 579 transitions. [2023-11-19 03:57:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 579 transitions. [2023-11-19 03:57:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:32,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:32,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:57:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 325 states and 578 transitions. [2023-11-19 03:57:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 578 transitions. [2023-11-19 03:57:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:32,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:32,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:57:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 327 states and 586 transitions. [2023-11-19 03:57:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 586 transitions. [2023-11-19 03:57:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:35,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:35,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:57:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 333 states and 602 transitions. [2023-11-19 03:57:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 602 transitions. [2023-11-19 03:57:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:36,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:57:36,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:57:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 340 states and 615 transitions. [2023-11-19 03:57:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 615 transitions. [2023-11-19 03:57:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:57:38,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:38,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.