./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.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_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/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_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/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_455d561e-742b-46b4-830b-d818269b1d5c/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 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:43,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:43,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:01:43,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:43,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:44,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:44,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:44,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:44,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:44,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:44,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:44,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:44,019 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:44,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:44,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:44,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:44,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:44,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:44,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:44,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:01:44,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:44,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:44,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:44,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:44,026 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:44,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:44,027 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:44,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:44,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:44,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:44,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:44,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:44,030 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:44,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:44,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:44,030 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_455d561e-742b-46b4-830b-d818269b1d5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2023-11-19 03:01:44,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:44,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:44,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:44,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:44,389 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:44,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-19 03:01:47,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:48,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:48,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-19 03:01:48,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/data/99a5a7a48/2c53335b5f1e4afbb15c7e6d510df93a/FLAGce9936829 [2023-11-19 03:01:48,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/data/99a5a7a48/2c53335b5f1e4afbb15c7e6d510df93a [2023-11-19 03:01:48,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:48,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:48,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:48,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:48,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:48,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bb694c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48, skipping insertion in model container [2023-11-19 03:01:48,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:48,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:48,703 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:48,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:48,784 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:48,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48 WrapperNode [2023-11-19 03:01:48,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:48,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:48,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:48,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:48,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,878 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-19 03:01:48,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:48,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:48,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:48,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:48,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:48,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:48,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:48,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:48,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:48" (1/1) ... [2023-11-19 03:01:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:48,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:49,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455d561e-742b-46b4-830b-d818269b1d5c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:01:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:01:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:01:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:01:49,168 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:49,171 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:49,842 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:49,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:49,904 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:01:49,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:49 BoogieIcfgContainer [2023-11-19 03:01:49,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:49,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:49,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:49,938 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:49,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:49" (1/1) ... [2023-11-19 03:01:49,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-19 03:01:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-19 03:01:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:50,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:50,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:50,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:01:50,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:50,507 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 03:01:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-19 03:01:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-19 03:01:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:50,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:50,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:01:50,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:01:51,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-19 03:01:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-19 03:01:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:51,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:51,335 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 03:01:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-19 03:01:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-19 03:01:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:01:51,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:01:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-19 03:01:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-19 03:01:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:01:51,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:51,723 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 03:01:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-19 03:01:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-19 03:01:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:01:52,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:52,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:52,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,003 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 03:01:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-19 03:01:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-19 03:01:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:54,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,668 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 03:01:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-19 03:01:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-19 03:01:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:01:54,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,841 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 03:01:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-19 03:01:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-19 03:01:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:56,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:56,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,290 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 03:01:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-19 03:01:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-19 03:01:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:56,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:56,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,555 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 03:01:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 195 transitions. [2023-11-19 03:01:57,318 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-19 03:01:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:57,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:57,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:57,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:57,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:57,582 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 03:02:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 181 states and 210 transitions. [2023-11-19 03:02:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2023-11-19 03:02:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:02:00,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,840 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 03:02:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 185 states and 219 transitions. [2023-11-19 03:02:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 219 transitions. [2023-11-19 03:02:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:02:01,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:01,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:02,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:02:02,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:02,316 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 03:02:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 194 states and 237 transitions. [2023-11-19 03:02:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2023-11-19 03:02:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:02:05,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:05,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:06,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:06,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:06,255 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 03:02:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 197 states and 242 transitions. [2023-11-19 03:02:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2023-11-19 03:02:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:02:06,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:06,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:06,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,102 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 03:02:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 202 states and 251 transitions. [2023-11-19 03:02:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 251 transitions. [2023-11-19 03:02:08,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:08,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:08,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:08,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:08,388 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 03:02:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 203 states and 252 transitions. [2023-11-19 03:02:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2023-11-19 03:02:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:09,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,220 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 03:02:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 253 transitions. [2023-11-19 03:02:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2023-11-19 03:02:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:09,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,485 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 03:02:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 264 transitions. [2023-11-19 03:02:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 264 transitions. [2023-11-19 03:02:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:02:11,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:11,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:02:11,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:11,453 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 03:02:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 221 states and 286 transitions. [2023-11-19 03:02:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 286 transitions. [2023-11-19 03:02:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:17,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:17,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:17,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:02:17,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:17,505 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 03:02:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 234 states and 310 transitions. [2023-11-19 03:02:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 310 transitions. [2023-11-19 03:02:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:02:23,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:23,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:23,971 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 03:02:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 247 states and 337 transitions. [2023-11-19 03:02:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 337 transitions. [2023-11-19 03:02:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:02:31,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:31,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:31,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:31,647 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 03:02:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 261 states and 366 transitions. [2023-11-19 03:02:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 366 transitions. [2023-11-19 03:02:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:02:38,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:38,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.