./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/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_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/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_81f33580-d4dd-41ad-aa56-51cacad4bb3e/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 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:05,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:05,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:40:05,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:05,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:05,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:05,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:05,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:05,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:05,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:05,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:05,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:05,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:05,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:05,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:05,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:05,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:05,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:05,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:05,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:05,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:05,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:05,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:05,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:05,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:05,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:05,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:05,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:05,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:05,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:05,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:05,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:05,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:05,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:05,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:05,966 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_81f33580-d4dd-41ad-aa56-51cacad4bb3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2023-11-19 03:40:06,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:06,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:06,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:06,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:06,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:06,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-19 03:40:09,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:09,725 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:09,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-19 03:40:09,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/data/61546790b/623863ec9a9440aea251fc95a36a372f/FLAG12a648d5c [2023-11-19 03:40:09,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/data/61546790b/623863ec9a9440aea251fc95a36a372f [2023-11-19 03:40:09,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:09,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:09,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:09,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:09,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:09,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:09" (1/1) ... [2023-11-19 03:40:09,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa73a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:09, skipping insertion in model container [2023-11-19 03:40:09,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:09" (1/1) ... [2023-11-19 03:40:09,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:09,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:10,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:10,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:10,049 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:10,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10 WrapperNode [2023-11-19 03:40:10,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:10,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:10,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:10,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:10,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,101 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:40:10,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:10,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:10,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:10,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:10,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:10,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:10,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:10,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:10,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:10,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:10,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:10,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f33580-d4dd-41ad-aa56-51cacad4bb3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:10,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:10,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:10,915 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:10,957 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:10,958 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:40:10,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:10 BoogieIcfgContainer [2023-11-19 03:40:10,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:10,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:10,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:10,977 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:10,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:40:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:40:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:40:11,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,293 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 03:40:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:40:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:40:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:11,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,400 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 03:40:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:40:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:40:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:40:11,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,585 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 03:40:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:40:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:40:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:40:11,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:11,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:11,799 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 03:40:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:40:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:40:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:40:12,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:12,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:12,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:12,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:12,303 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 03:40:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:40:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:40:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:40:12,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:12,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:12,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:12,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:12,447 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 03:40:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:40:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:40:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:40:13,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:13,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:13,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:13,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:13,421 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 03:40:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2023-11-19 03:40:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-19 03:40:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:40:14,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:14,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:14,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:14,658 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 03:40:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-11-19 03:40:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-19 03:40:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:40:16,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:16,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:16,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:16,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:16,456 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 03:40:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 129 states and 226 transitions. [2023-11-19 03:40:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 226 transitions. [2023-11-19 03:40:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:40:17,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:17,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:17,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:17,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:18,007 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 03:40:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 238 transitions. [2023-11-19 03:40:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2023-11-19 03:40:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:40:18,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:18,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:18,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:18,864 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 03:40:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2023-11-19 03:40:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2023-11-19 03:40:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:40:19,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:19,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:19,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:19,707 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 03:40:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 253 transitions. [2023-11-19 03:40:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2023-11-19 03:40:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:40:19,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:19,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:19,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:19,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:19,888 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 03:40:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 154 states and 282 transitions. [2023-11-19 03:40:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2023-11-19 03:40:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:22,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:22,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:22,535 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 03:40:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 283 transitions. [2023-11-19 03:40:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 283 transitions. [2023-11-19 03:40:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:22,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:22,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 161 states and 297 transitions. [2023-11-19 03:40:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 297 transitions. [2023-11-19 03:40:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:23,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:23,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:23,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:24,114 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 03:40:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 176 states and 328 transitions. [2023-11-19 03:40:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 328 transitions. [2023-11-19 03:40:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:27,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:27,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:27,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:27,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 183 states and 339 transitions. [2023-11-19 03:40:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 339 transitions. [2023-11-19 03:40:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:40:28,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,236 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 03:40:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 199 states and 369 transitions. [2023-11-19 03:40:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 369 transitions. [2023-11-19 03:40:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:40:33,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:33,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:33,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 200 states and 378 transitions. [2023-11-19 03:40:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 378 transitions. [2023-11-19 03:40:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:40:33,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:33,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:33,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:33,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:33,969 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 03:40:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 210 states and 401 transitions. [2023-11-19 03:40:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 401 transitions. [2023-11-19 03:40:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:40:36,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:36,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:36,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:36,907 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 03:40:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 221 states and 425 transitions. [2023-11-19 03:40:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 425 transitions. [2023-11-19 03:40:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:39,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:39,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:39,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 235 states and 462 transitions. [2023-11-19 03:40:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 462 transitions. [2023-11-19 03:40:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:43,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:43,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:43,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 237 states and 464 transitions. [2023-11-19 03:40:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 464 transitions. [2023-11-19 03:40:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:44,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:44,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:44,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:44,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 241 states and 468 transitions. [2023-11-19 03:40:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 468 transitions. [2023-11-19 03:40:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:45,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:45,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:45,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 249 states and 496 transitions. [2023-11-19 03:40:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 496 transitions. [2023-11-19 03:40:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:48,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:48,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:48,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:48,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 251 states and 497 transitions. [2023-11-19 03:40:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 497 transitions. [2023-11-19 03:40:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:49,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:49,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:49,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 255 states and 500 transitions. [2023-11-19 03:40:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 500 transitions. [2023-11-19 03:40:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:40:50,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:50,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:50,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:50,863 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 03:40:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 261 states and 519 transitions. [2023-11-19 03:40:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 519 transitions. [2023-11-19 03:40:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:40:52,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:52,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:52,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:52,177 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 03:40:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 274 states and 549 transitions. [2023-11-19 03:40:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 549 transitions. [2023-11-19 03:40:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:40:56,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:56,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:56,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:56,130 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 03:40:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 275 states and 550 transitions. [2023-11-19 03:40:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 550 transitions. [2023-11-19 03:40:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:40:56,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:56,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:56,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:56,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:56,432 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 03:40:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 284 states and 571 transitions. [2023-11-19 03:40:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 571 transitions. [2023-11-19 03:40:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:40:57,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:57,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:57,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.