./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/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_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/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_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/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 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:41,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:42,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:42,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:42,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:42,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:42,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:42,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:42,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:42,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:42,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:42,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:42,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:42,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:42,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:42,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:42,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:42,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:42,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:42,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:42,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:42,095 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:42,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:42,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:42,097 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:42,097 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:42,098 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:42,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:42,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:42,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:42,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:42,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:42,102 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:42,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:42,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:42,103 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_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76fd23ddcb7e8fff12decb053b84ed59e907e32bdbc4e822256bdb820e1311ef [2023-11-23 20:11:42,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:42,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:42,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:42,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:42,477 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:42,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2023-11-23 20:11:45,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:46,064 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:46,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound10.c [2023-11-23 20:11:46,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/data/8fe334e66/37c170ec33f24c5a932970d4ea0f5fcf/FLAG67c916801 [2023-11-23 20:11:46,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/data/8fe334e66/37c170ec33f24c5a932970d4ea0f5fcf [2023-11-23 20:11:46,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:46,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:46,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:46,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:46,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:46,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb2f45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46, skipping insertion in model container [2023-11-23 20:11:46,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:46,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:46,411 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:46,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:46,503 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:46,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46 WrapperNode [2023-11-23 20:11:46,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:46,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:46,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:46,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:46,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,588 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-23 20:11:46,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:46,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:46,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:46,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:46,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:46,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:46,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:46,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:46,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:46" (1/1) ... [2023-11-23 20:11:46,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:46,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:46,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224f2863-2b5d-49eb-9cae-1c306ab8d8e3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:11:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:11:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:46,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:46,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:47,444 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:47,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:47,491 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:11:47,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:47 BoogieIcfgContainer [2023-11-23 20:11:47,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:47,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:47,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:47,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:47,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:47" (1/1) ... [2023-11-23 20:11:47,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-23 20:11:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-23 20:11:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:47,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:47,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:47,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:47,894 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 20:11:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-23 20:11:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-23 20:11:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:47,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:48,132 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 20:11:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-23 20:11:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:11:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:11:48,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:48,340 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 20:11:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-23 20:11:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:11:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:11:48,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:48,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:48,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:48,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:48,551 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 20:11:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-23 20:11:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-23 20:11:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:11:48,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:48,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:48,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:48,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:48,858 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 20:11:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-23 20:11:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-23 20:11:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:49,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:49,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:49,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:49,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:49,539 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 20:11:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-23 20:11:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-23 20:11:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:50,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:50,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:50,525 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 20:11:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-23 20:11:50,882 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-23 20:11:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:50,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:50,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:50,986 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 20:11:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-23 20:11:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-23 20:11:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:51,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,196 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 20:11:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-23 20:11:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-23 20:11:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:11:52,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:52,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:52,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:52,929 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 20:11:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-23 20:11:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-23 20:11:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:52,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:52,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:53,081 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 20:11:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-23 20:11:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-23 20:11:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:11:53,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:53,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:53,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:53,655 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 20:11:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-23 20:11:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-23 20:11:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:11:54,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:54,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:54,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:54,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:54,301 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 20:11:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 176 states and 222 transitions. [2023-11-23 20:11:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-23 20:11:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:54,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:54,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:54,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:54,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:54,424 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 20:11:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 244 transitions. [2023-11-23 20:11:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-23 20:11:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:56,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:56,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:56,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:56,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:56,341 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 20:11:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 258 transitions. [2023-11-23 20:11:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-11-23 20:11:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:56,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,087 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 20:11:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 200 states and 266 transitions. [2023-11-23 20:11:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions. [2023-11-23 20:11:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:57,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:57,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:57,776 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 20:11:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 201 states and 267 transitions. [2023-11-23 20:11:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2023-11-23 20:11:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:57,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:57,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:57,846 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 20:11:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 202 states and 268 transitions. [2023-11-23 20:11:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-11-23 20:11:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:57,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,076 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 20:11:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 206 states and 276 transitions. [2023-11-23 20:11:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2023-11-23 20:11:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:11:58,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:58,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:59,148 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 20:11:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 209 states and 279 transitions. [2023-11-23 20:11:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 279 transitions. [2023-11-23 20:11:59,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:11:59,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:59,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:59,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:00,107 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 20:12:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 218 states and 296 transitions. [2023-11-23 20:12:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2023-11-23 20:12:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:01,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:01,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:01,865 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 20:12:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 219 states and 297 transitions. [2023-11-23 20:12:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2023-11-23 20:12:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:02,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:02,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,563 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 20:12:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 229 states and 315 transitions. [2023-11-23 20:12:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 315 transitions. [2023-11-23 20:12:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:04,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,829 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 20:12:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 230 states and 316 transitions. [2023-11-23 20:12:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2023-11-23 20:12:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:04,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,900 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 20:12:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 240 states and 337 transitions. [2023-11-23 20:12:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2023-11-23 20:12:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:07,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:07,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:07,400 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 20:12:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 256 states and 363 transitions. [2023-11-23 20:12:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2023-11-23 20:12:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:11,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:11,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:11,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:11,443 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 20:12:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 267 states and 383 transitions. [2023-11-23 20:12:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2023-11-23 20:12:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:14,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:14,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:14,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:14,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:14,209 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 20:12:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 268 states and 384 transitions. [2023-11-23 20:12:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 384 transitions. [2023-11-23 20:12:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:14,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:14,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:14,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:14,603 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 20:12:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 285 states and 412 transitions. [2023-11-23 20:12:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 412 transitions. [2023-11-23 20:12:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:19,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:19,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:19,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:19,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:19,371 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 20:12:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 286 states and 413 transitions. [2023-11-23 20:12:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 413 transitions. [2023-11-23 20:12:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:19,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:19,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:19,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:19,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:19,494 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 20:12:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 298 states and 434 transitions. [2023-11-23 20:12:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 434 transitions. [2023-11-23 20:12:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:23,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:23,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:23,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:12:23,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:24,053 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 20:12:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 310 states and 448 transitions. [2023-11-23 20:12:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 448 transitions. [2023-11-23 20:12:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:26,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:26,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:26,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:26,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:27,262 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 20:12:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 318 states and 463 transitions. [2023-11-23 20:12:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2023-11-23 20:12:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:29,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:29,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:29,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:29,738 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 20:12:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 331 states and 486 transitions. [2023-11-23 20:12:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2023-11-23 20:12:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:12:33,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:12:33,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.