./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC --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 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:43,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:43,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:21:43,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:21:43,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:21:43,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:43,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:43,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:43,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:43,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:43,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:43,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:43,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:21:43,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:21:43,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:21:43,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:43,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:43,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:43,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:43,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:21:43,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:21:43,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:21:43,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:43,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:43,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:43,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:43,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:43,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:43,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:43,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:43,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:43,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:43,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:21:43,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:21:43,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:43,768 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_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c [2023-11-23 20:21:44,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:44,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:44,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:44,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:44,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:44,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-11-23 20:21:47,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:47,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:47,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-11-23 20:21:47,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/data/5444afe71/56f5ae56f45f44f7ab94de3dfdebeae0/FLAGbb957dfad [2023-11-23 20:21:47,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/data/5444afe71/56f5ae56f45f44f7ab94de3dfdebeae0 [2023-11-23 20:21:47,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:47,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:47,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:47,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:47,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:47,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:47" (1/1) ... [2023-11-23 20:21:47,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c0ef3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:47, skipping insertion in model container [2023-11-23 20:21:47,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:47" (1/1) ... [2023-11-23 20:21:47,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:48,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:48,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:48,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:48,214 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:48,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48 WrapperNode [2023-11-23 20:21:48,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:48,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:48,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:48,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:48,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,278 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-23 20:21:48,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:48,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:48,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:48,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:48,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:48,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:48,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:48,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:48,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:48" (1/1) ... [2023-11-23 20:21:48,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:48,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:48,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:48,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2c2dcf-889a-4ff6-ab5b-97ce544a2784/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:21:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:21:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:21:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:21:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:21:48,584 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:48,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:49,208 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:49,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:49,260 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:21:49,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:49 BoogieIcfgContainer [2023-11-23 20:21:49,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:49,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:49,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:49,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:49,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:49" (1/1) ... [2023-11-23 20:21:49,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-23 20:21:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-23 20:21:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:21:49,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:49,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:21:49,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-23 20:21:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-23 20:21:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:21:50,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:21:50,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:21:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-23 20:21:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:21:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:21:50,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:21:50,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-23 20:21:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-23 20:21:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:21:50,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:21:50,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:21:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-23 20:21:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-23 20:21:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:21:50,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:50,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:50,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-23 20:21:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:21:52,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:21:52,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:52,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:52,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:52,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-23 20:21:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-23 20:21:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:21:53,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:53,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-23 20:21:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-23 20:21:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:21:53,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:53,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:53,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-23 20:21:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-23 20:21:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:21:54,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:54,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:54,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:54,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-23 20:21:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-23 20:21:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:21:54,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:54,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:54,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-23 20:21:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-23 20:21:55,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:21:55,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:55,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:55,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:21:55,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 183 states and 211 transitions. [2023-11-23 20:21:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2023-11-23 20:21:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:21:58,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:58,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:58,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:21:58,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 187 states and 220 transitions. [2023-11-23 20:21:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2023-11-23 20:21:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:21:59,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:59,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:59,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:21:59,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 196 states and 237 transitions. [2023-11-23 20:22:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2023-11-23 20:22:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:02,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:02,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:02,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:02,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 199 states and 242 transitions. [2023-11-23 20:22:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions. [2023-11-23 20:22:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:03,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:03,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:03,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:03,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 204 states and 251 transitions. [2023-11-23 20:22:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2023-11-23 20:22:04,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:04,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:04,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:04,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 205 states and 252 transitions. [2023-11-23 20:22:05,459 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2023-11-23 20:22:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:05,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:05,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:05,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:05,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 206 states and 253 transitions. [2023-11-23 20:22:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2023-11-23 20:22:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:05,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:05,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:05,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:05,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 211 states and 264 transitions. [2023-11-23 20:22:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2023-11-23 20:22:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:07,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:07,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:22:07,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 223 states and 285 transitions. [2023-11-23 20:22:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 285 transitions. [2023-11-23 20:22:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:22:12,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:12,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:12,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:22:12,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 236 states and 308 transitions. [2023-11-23 20:22:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 308 transitions. [2023-11-23 20:22:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:22:18,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:18,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:18,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:18,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 249 states and 334 transitions. [2023-11-23 20:22:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 334 transitions. [2023-11-23 20:22:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:22:24,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:24,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:24,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:24,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 263 states and 362 transitions. [2023-11-23 20:22:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 362 transitions. [2023-11-23 20:22:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:22:31,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:31,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:31,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:22:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 278 states and 392 transitions. [2023-11-23 20:22:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 392 transitions. [2023-11-23 20:22:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:22:40,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.